248856551390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{890969}}^1$

素因数の和:891077

約数の個数: 64

約数和(自身を含む): 498829155840

約数和(自身を除く): 249972604450

約数列:

[1, 2, 5, 10, 17, 31, 34, 53, 62, 85, 106, 155, 170, 265, 310, 527, 530, 901, 1054, 1643, 1802, 2635, 3286, 4505, 5270, 8215, 9010, 16430, 27931, 55862, 139655, 279310, 890969, 1781938, 4454845, 8909690, 15146473, 27620039, 30292946, 47221357, 55240078, 75732365, 94442714, 138100195, 151464730, 236106785, 276200390, 469540663, 472213570, 802763069, 939081326, 1463862067, 1605526138, 2347703315, 2927724134, 4013815345, 4695406630, 7319310335, 8027630690, 14638620670, 24885655139, 49771310278, 124428275695, 248856551390]

約数ペア:

[(1, 248856551390), (2, 124428275695), (5, 49771310278), (10, 24885655139), (17, 14638620670), (31, 8027630690), (34, 7319310335), (53, 4695406630), (62, 4013815345), (85, 2927724134), (106, 2347703315), (155, 1605526138), (170, 1463862067), (265, 939081326), (310, 802763069), (527, 472213570), (530, 469540663), (901, 276200390), (1054, 236106785), (1643, 151464730), (1802, 138100195), (2635, 94442714), (3286, 75732365), (4505, 55240078), (5270, 47221357), (8215, 30292946), (9010, 27620039), (16430, 15146473), (27931, 8909690), (55862, 4454845), (139655, 1781938), (279310, 890969)]