256430006

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:809

約数の個数: 64

約数和(自身を含む): 491287680

約数和(自身を除く): 234857674

約数列:

[1, 2, 7, 14, 17, 29, 34, 53, 58, 106, 119, 203, 238, 371, 406, 493, 701, 742, 901, 986, 1402, 1537, 1802, 3074, 3451, 4907, 6307, 6902, 9814, 10759, 11917, 12614, 20329, 21518, 23834, 26129, 37153, 40658, 52258, 74306, 83419, 142303, 166838, 182903, 260071, 284606, 345593, 365806, 520142, 631601, 691186, 1077437, 1263202, 2154874, 2419151, 4421207, 4838302, 7542059, 8842414, 15084118, 18316429, 36632858, 128215003, 256430006]

約数ペア:

[(1, 256430006), (2, 128215003), (7, 36632858), (14, 18316429), (17, 15084118), (29, 8842414), (34, 7542059), (53, 4838302), (58, 4421207), (106, 2419151), (119, 2154874), (203, 1263202), (238, 1077437), (371, 691186), (406, 631601), (493, 520142), (701, 365806), (742, 345593), (901, 284606), (986, 260071), (1402, 182903), (1537, 166838), (1802, 142303), (3074, 83419), (3451, 74306), (4907, 52258), (6307, 40658), (6902, 37153), (9814, 26129), (10759, 23834), (11917, 21518), (12614, 20329)]