254321574

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2417}}^1$

素因数の和:2525

約数の個数: 64

約数和(自身を含む): 584962560

約数和(自身を除く): 330640986

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 71, 78, 114, 142, 213, 247, 426, 494, 741, 923, 1349, 1482, 1846, 2417, 2698, 2769, 4047, 4834, 5538, 7251, 8094, 14502, 17537, 31421, 35074, 45923, 52611, 62842, 91846, 94263, 105222, 137769, 171607, 188526, 275538, 343214, 514821, 596999, 1029642, 1193998, 1790997, 2230891, 3260533, 3581994, 4461782, 6521066, 6692673, 9781599, 13385346, 19563198, 42386929, 84773858, 127160787, 254321574]

約数ペア:

[(1, 254321574), (2, 127160787), (3, 84773858), (6, 42386929), (13, 19563198), (19, 13385346), (26, 9781599), (38, 6692673), (39, 6521066), (57, 4461782), (71, 3581994), (78, 3260533), (114, 2230891), (142, 1790997), (213, 1193998), (247, 1029642), (426, 596999), (494, 514821), (741, 343214), (923, 275538), (1349, 188526), (1482, 171607), (1846, 137769), (2417, 105222), (2698, 94263), (2769, 91846), (4047, 62842), (4834, 52611), (5538, 45923), (7251, 35074), (8094, 31421), (14502, 17537)]