1621722344

素因数分解:

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

素因数の和:121

約数の個数: 128

約数和(自身を含む): 3668198400

約数和(自身を除く): 2046476056

約数列:

[1, 2, 4, 8, 11, 17, 22, 31, 34, 44, 62, 68, 88, 121, 124, 136, 187, 242, 248, 289, 341, 374, 484, 527, 578, 682, 748, 968, 1054, 1156, 1331, 1364, 1496, 2057, 2108, 2312, 2662, 2728, 3179, 3751, 4114, 4216, 4913, 5324, 5797, 6358, 7502, 8228, 8959, 9826, 10648, 11594, 12716, 15004, 16456, 17918, 19652, 22627, 23188, 25432, 30008, 34969, 35836, 39304, 41261, 45254, 46376, 54043, 63767, 69938, 71672, 82522, 90508, 98549, 108086, 127534, 139876, 152303, 165044, 181016, 197098, 216172, 255068, 279752, 304606, 330088, 384659, 394196, 432344, 510136, 594473, 609212, 701437, 769318, 788392, 1084039, 1188946, 1218424, 1402874, 1538636, 1675333, 2168078, 2377892, 2805748, 3077272, 3350666, 4336156, 4755784, 5611496, 6539203, 6701332, 8672312, 11924429, 13078406, 13402664, 18428663, 23848858, 26156812, 36857326, 47697716, 52313624, 73714652, 95395432, 147429304, 202715293, 405430586, 810861172, 1621722344]

約数ペア:

[(1, 1621722344), (2, 810861172), (4, 405430586), (8, 202715293), (11, 147429304), (17, 95395432), (22, 73714652), (31, 52313624), (34, 47697716), (44, 36857326), (62, 26156812), (68, 23848858), (88, 18428663), (121, 13402664), (124, 13078406), (136, 11924429), (187, 8672312), (242, 6701332), (248, 6539203), (289, 5611496), (341, 4755784), (374, 4336156), (484, 3350666), (527, 3077272), (578, 2805748), (682, 2377892), (748, 2168078), (968, 1675333), (1054, 1538636), (1156, 1402874), (1331, 1218424), (1364, 1188946), (1496, 1084039), (2057, 788392), (2108, 769318), (2312, 701437), (2662, 609212), (2728, 594473), (3179, 510136), (3751, 432344), (4114, 394196), (4216, 384659), (4913, 330088), (5324, 304606), (5797, 279752), (6358, 255068), (7502, 216172), (8228, 197098), (8959, 181016), (9826, 165044), (10648, 152303), (11594, 139876), (12716, 127534), (15004, 108086), (16456, 98549), (17918, 90508), (19652, 82522), (22627, 71672), (23188, 69938), (25432, 63767), (30008, 54043), (34969, 46376), (35836, 45254), (39304, 41261)]