79971976

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 178738560

約数和(自身を除く): 98766584

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 61, 82, 122, 164, 244, 287, 328, 427, 488, 571, 574, 854, 1142, 1148, 1708, 2284, 2296, 2501, 3416, 3997, 4568, 5002, 7994, 10004, 15988, 17507, 20008, 23411, 31976, 34831, 35014, 46822, 69662, 70028, 93644, 139324, 140056, 163877, 187288, 243817, 278648, 327754, 487634, 655508, 975268, 1311016, 1428071, 1950536, 2856142, 5712284, 9996497, 11424568, 19992994, 39985988, 79971976]

約数ペア:

[(1, 79971976), (2, 39985988), (4, 19992994), (7, 11424568), (8, 9996497), (14, 5712284), (28, 2856142), (41, 1950536), (56, 1428071), (61, 1311016), (82, 975268), (122, 655508), (164, 487634), (244, 327754), (287, 278648), (328, 243817), (427, 187288), (488, 163877), (571, 140056), (574, 139324), (854, 93644), (1142, 70028), (1148, 69662), (1708, 46822), (2284, 35014), (2296, 34831), (2501, 31976), (3416, 23411), (3997, 20008), (4568, 17507), (5002, 15988), (7994, 10004)]