257112828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{60017}}^1$

素因数の和:60051

約数の個数: 72

約数和(自身を含む): 786475872

約数和(自身を除く): 529363044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 60017, 120034, 180051, 240068, 360102, 420119, 540153, 720204, 840238, 1020289, 1080306, 1260357, 1680476, 2040578, 2160612, 2520714, 3060867, 3781071, 4081156, 5041428, 6121734, 7142023, 7562142, 9182601, 12243468, 14284046, 15124284, 18365202, 21426069, 28568092, 36730404, 42852138, 64278207, 85704276, 128556414, 257112828]

約数ペア:

[(1, 257112828), (2, 128556414), (3, 85704276), (4, 64278207), (6, 42852138), (7, 36730404), (9, 28568092), (12, 21426069), (14, 18365202), (17, 15124284), (18, 14284046), (21, 12243468), (28, 9182601), (34, 7562142), (36, 7142023), (42, 6121734), (51, 5041428), (63, 4081156), (68, 3781071), (84, 3060867), (102, 2520714), (119, 2160612), (126, 2040578), (153, 1680476), (204, 1260357), (238, 1080306), (252, 1020289), (306, 840238), (357, 720204), (476, 540153), (612, 420119), (714, 360102), (1071, 240068), (1428, 180051), (2142, 120034), (4284, 60017)]