1388974851208

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1\times {\mathrm{905587}}^1$

素因数の和:906110

約数の個数: 64

約数和(自身を含む): 3031908624000

約数和(自身を除く): 1642933772792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 449, 488, 854, 898, 1708, 1796, 3143, 3416, 3592, 6286, 12572, 25144, 27389, 54778, 109556, 191723, 219112, 383446, 766892, 905587, 1533784, 1811174, 3622348, 6339109, 7244696, 12678218, 25356436, 50712872, 55240807, 110481614, 220963228, 386685649, 406608563, 441926456, 773371298, 813217126, 1546742596, 1626434252, 2846259941, 3093485192, 3252868504, 5692519882, 11385039764, 22770079528, 24803122343, 49606244686, 99212489372, 173621856401, 198424978744, 347243712802, 694487425604, 1388974851208]

約数ペア:

[(1, 1388974851208), (2, 694487425604), (4, 347243712802), (7, 198424978744), (8, 173621856401), (14, 99212489372), (28, 49606244686), (56, 24803122343), (61, 22770079528), (122, 11385039764), (244, 5692519882), (427, 3252868504), (449, 3093485192), (488, 2846259941), (854, 1626434252), (898, 1546742596), (1708, 813217126), (1796, 773371298), (3143, 441926456), (3416, 406608563), (3592, 386685649), (6286, 220963228), (12572, 110481614), (25144, 55240807), (27389, 50712872), (54778, 25356436), (109556, 12678218), (191723, 7244696), (219112, 6339109), (383446, 3622348), (766892, 1811174), (905587, 1533784)]