991101496

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:186

約数の個数: 256

約数和(自身を含む): 2627665920

約数和(自身を除く): 1636564424

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 31, 34, 43, 44, 56, 62, 68, 71, 77, 86, 88, 119, 124, 136, 142, 154, 172, 187, 217, 238, 248, 284, 301, 308, 341, 344, 374, 434, 473, 476, 497, 527, 568, 602, 616, 682, 731, 748, 781, 868, 946, 952, 994, 1054, 1204, 1207, 1309, 1333, 1364, 1462, 1496, 1562, 1736, 1892, 1988, 2108, 2201, 2387, 2408, 2414, 2618, 2666, 2728, 2924, 3053, 3124, 3311, 3689, 3784, 3976, 4216, 4402, 4774, 4828, 5117, 5236, 5332, 5467, 5797, 5848, 6106, 6248, 6622, 7378, 8041, 8449, 8804, 9331, 9548, 9656, 10234, 10472, 10664, 10934, 11594, 12212, 13244, 13277, 14663, 14756, 15407, 16082, 16898, 17608, 18662, 19096, 20468, 21371, 21868, 22661, 23188, 24211, 24424, 26488, 26554, 29326, 29512, 30814, 32164, 33583, 33796, 37324, 37417, 40579, 40936, 42742, 43736, 45322, 46376, 48422, 51901, 53108, 56287, 58652, 61628, 64328, 67166, 67592, 74648, 74834, 81158, 85484, 90644, 92939, 94643, 96844, 102641, 103802, 106216, 112574, 117304, 123256, 134332, 149668, 158627, 162316, 169477, 170968, 181288, 185878, 189286, 193688, 205282, 207604, 225148, 235081, 249271, 261919, 268664, 299336, 317254, 324632, 338954, 363307, 371756, 378572, 410564, 411587, 415208, 450296, 470162, 498542, 523838, 570911, 634508, 662501, 677908, 726614, 743512, 757144, 821128, 823174, 940324, 997084, 1041073, 1047676, 1141822, 1269016, 1325002, 1355816, 1453228, 1608931, 1646348, 1744897, 1880648, 1994168, 2082146, 2095352, 2283644, 2650004, 2881109, 2906456, 3217862, 3292696, 3489794, 3996377, 4164292, 4567288, 5300008, 5762218, 6435724, 6979588, 7287511, 7992754, 8328584, 11262517, 11524436, 12871448, 13959176, 14575022, 15985508, 17698241, 22525034, 23048872, 29150044, 31971016, 35396482, 45050068, 58300088, 70792964, 90100136, 123887687, 141585928, 247775374, 495550748, 991101496]

約数ペア:

[(1, 991101496), (2, 495550748), (4, 247775374), (7, 141585928), (8, 123887687), (11, 90100136), (14, 70792964), (17, 58300088), (22, 45050068), (28, 35396482), (31, 31971016), (34, 29150044), (43, 23048872), (44, 22525034), (56, 17698241), (62, 15985508), (68, 14575022), (71, 13959176), (77, 12871448), (86, 11524436), (88, 11262517), (119, 8328584), (124, 7992754), (136, 7287511), (142, 6979588), (154, 6435724), (172, 5762218), (187, 5300008), (217, 4567288), (238, 4164292), (248, 3996377), (284, 3489794), (301, 3292696), (308, 3217862), (341, 2906456), (344, 2881109), (374, 2650004), (434, 2283644), (473, 2095352), (476, 2082146), (497, 1994168), (527, 1880648), (568, 1744897), (602, 1646348), (616, 1608931), (682, 1453228), (731, 1355816), (748, 1325002), (781, 1269016), (868, 1141822), (946, 1047676), (952, 1041073), (994, 997084), (1054, 940324), (1204, 823174), (1207, 821128), (1309, 757144), (1333, 743512), (1364, 726614), (1462, 677908), (1496, 662501), (1562, 634508), (1736, 570911), (1892, 523838), (1988, 498542), (2108, 470162), (2201, 450296), (2387, 415208), (2408, 411587), (2414, 410564), (2618, 378572), (2666, 371756), (2728, 363307), (2924, 338954), (3053, 324632), (3124, 317254), (3311, 299336), (3689, 268664), (3784, 261919), (3976, 249271), (4216, 235081), (4402, 225148), (4774, 207604), (4828, 205282), (5117, 193688), (5236, 189286), (5332, 185878), (5467, 181288), (5797, 170968), (5848, 169477), (6106, 162316), (6248, 158627), (6622, 149668), (7378, 134332), (8041, 123256), (8449, 117304), (8804, 112574), (9331, 106216), (9548, 103802), (9656, 102641), (10234, 96844), (10472, 94643), (10664, 92939), (10934, 90644), (11594, 85484), (12212, 81158), (13244, 74834), (13277, 74648), (14663, 67592), (14756, 67166), (15407, 64328), (16082, 61628), (16898, 58652), (17608, 56287), (18662, 53108), (19096, 51901), (20468, 48422), (21371, 46376), (21868, 45322), (22661, 43736), (23188, 42742), (24211, 40936), (24424, 40579), (26488, 37417), (26554, 37324), (29326, 33796), (29512, 33583), (30814, 32164)]