2155825404

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{1997}}^1$

素因数の和:2355

約数の個数: 72

約数和(自身を含む): 5515630848

約数和(自身を除く): 3359805444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 191, 314, 382, 471, 573, 628, 764, 942, 1146, 1413, 1719, 1884, 1997, 2292, 2826, 3438, 3994, 5652, 5991, 6876, 7988, 11982, 17973, 23964, 29987, 35946, 59974, 71892, 89961, 119948, 179922, 269883, 313529, 359844, 381427, 539766, 627058, 762854, 940587, 1079532, 1144281, 1254116, 1525708, 1881174, 2288562, 2821761, 3432843, 3762348, 4577124, 5643522, 6865686, 11287044, 13731372, 59884039, 119768078, 179652117, 239536156, 359304234, 538956351, 718608468, 1077912702, 2155825404]

約数ペア:

[(1, 2155825404), (2, 1077912702), (3, 718608468), (4, 538956351), (6, 359304234), (9, 239536156), (12, 179652117), (18, 119768078), (36, 59884039), (157, 13731372), (191, 11287044), (314, 6865686), (382, 5643522), (471, 4577124), (573, 3762348), (628, 3432843), (764, 2821761), (942, 2288562), (1146, 1881174), (1413, 1525708), (1719, 1254116), (1884, 1144281), (1997, 1079532), (2292, 940587), (2826, 762854), (3438, 627058), (3994, 539766), (5652, 381427), (5991, 359844), (6876, 313529), (7988, 269883), (11982, 179922), (17973, 119948), (23964, 89961), (29987, 71892), (35946, 59974)]