991271088

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 240

約数和(自身を含む): 3126630240

約数和(自身を除く): 2135359152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 43, 48, 51, 54, 68, 72, 73, 86, 102, 108, 129, 136, 144, 146, 153, 172, 204, 216, 219, 258, 272, 292, 306, 344, 387, 408, 432, 438, 459, 516, 584, 612, 657, 688, 731, 774, 816, 876, 918, 1032, 1161, 1168, 1224, 1241, 1314, 1462, 1548, 1752, 1836, 1849, 1971, 2064, 2193, 2322, 2448, 2482, 2628, 2924, 3096, 3139, 3504, 3672, 3698, 3723, 3942, 4386, 4644, 4964, 5256, 5547, 5848, 6192, 6278, 6579, 7344, 7396, 7446, 7884, 8772, 9288, 9417, 9928, 10512, 11094, 11169, 11696, 12556, 13158, 14792, 14892, 15768, 16641, 17544, 18576, 18834, 19737, 19856, 22188, 22338, 25112, 26316, 28251, 29584, 29784, 31433, 31536, 33282, 33507, 35088, 37668, 39474, 44376, 44676, 49923, 50224, 52632, 53363, 56502, 59568, 62866, 66564, 67014, 75336, 78948, 84753, 88752, 89352, 94299, 99846, 105264, 106726, 113004, 125732, 133128, 134028, 134977, 150672, 157896, 160089, 169506, 178704, 188598, 199692, 213452, 226008, 251464, 266256, 268056, 269954, 282897, 315792, 320178, 339012, 377196, 399384, 404931, 426904, 452016, 480267, 502928, 536112, 539908, 565794, 640356, 678024, 754392, 798768, 809862, 848691, 853808, 960534, 1079816, 1131588, 1214793, 1280712, 1356048, 1440801, 1508784, 1619724, 1697382, 1921068, 2159632, 2263176, 2294609, 2429586, 2561424, 2881602, 3239448, 3394764, 3644379, 3842136, 4526352, 4589218, 4859172, 5763204, 6478896, 6789528, 6883827, 7288758, 7684272, 9178436, 9718344, 11526408, 13579056, 13767654, 14577516, 18356872, 19436688, 20651481, 23052816, 27535308, 29155032, 36713744, 41302962, 55070616, 58310064, 61954443, 82605924, 110141232, 123908886, 165211848, 247817772, 330423696, 495635544, 991271088]

約数ペア:

[(1, 991271088), (2, 495635544), (3, 330423696), (4, 247817772), (6, 165211848), (8, 123908886), (9, 110141232), (12, 82605924), (16, 61954443), (17, 58310064), (18, 55070616), (24, 41302962), (27, 36713744), (34, 29155032), (36, 27535308), (43, 23052816), (48, 20651481), (51, 19436688), (54, 18356872), (68, 14577516), (72, 13767654), (73, 13579056), (86, 11526408), (102, 9718344), (108, 9178436), (129, 7684272), (136, 7288758), (144, 6883827), (146, 6789528), (153, 6478896), (172, 5763204), (204, 4859172), (216, 4589218), (219, 4526352), (258, 3842136), (272, 3644379), (292, 3394764), (306, 3239448), (344, 2881602), (387, 2561424), (408, 2429586), (432, 2294609), (438, 2263176), (459, 2159632), (516, 1921068), (584, 1697382), (612, 1619724), (657, 1508784), (688, 1440801), (731, 1356048), (774, 1280712), (816, 1214793), (876, 1131588), (918, 1079816), (1032, 960534), (1161, 853808), (1168, 848691), (1224, 809862), (1241, 798768), (1314, 754392), (1462, 678024), (1548, 640356), (1752, 565794), (1836, 539908), (1849, 536112), (1971, 502928), (2064, 480267), (2193, 452016), (2322, 426904), (2448, 404931), (2482, 399384), (2628, 377196), (2924, 339012), (3096, 320178), (3139, 315792), (3504, 282897), (3672, 269954), (3698, 268056), (3723, 266256), (3942, 251464), (4386, 226008), (4644, 213452), (4964, 199692), (5256, 188598), (5547, 178704), (5848, 169506), (6192, 160089), (6278, 157896), (6579, 150672), (7344, 134977), (7396, 134028), (7446, 133128), (7884, 125732), (8772, 113004), (9288, 106726), (9417, 105264), (9928, 99846), (10512, 94299), (11094, 89352), (11169, 88752), (11696, 84753), (12556, 78948), (13158, 75336), (14792, 67014), (14892, 66564), (15768, 62866), (16641, 59568), (17544, 56502), (18576, 53363), (18834, 52632), (19737, 50224), (19856, 49923), (22188, 44676), (22338, 44376), (25112, 39474), (26316, 37668), (28251, 35088), (29584, 33507), (29784, 33282), (31433, 31536)]