25643198

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 46656000

約数和(自身を除く): 21012802

約数列:

[1, 2, 7, 14, 19, 38, 133, 149, 266, 298, 647, 1043, 1294, 2086, 2831, 4529, 5662, 9058, 12293, 19817, 24586, 39634, 86051, 96403, 172102, 192806, 674821, 1349642, 1831657, 3663314, 12821599, 25643198]

約数ペア:

[(1, 25643198), (2, 12821599), (7, 3663314), (14, 1831657), (19, 1349642), (38, 674821), (133, 192806), (149, 172102), (266, 96403), (298, 86051), (647, 39634), (1043, 24586), (1294, 19817), (2086, 12293), (2831, 9058), (4529, 5662)]