25351456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 54243000

約数和(自身を除く): 28891544

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 149, 208, 298, 409, 416, 596, 818, 1192, 1636, 1937, 2384, 3272, 3874, 4768, 5317, 6544, 7748, 10634, 13088, 15496, 21268, 30992, 42536, 60941, 61984, 85072, 121882, 170144, 243764, 487528, 792233, 975056, 1584466, 1950112, 3168932, 6337864, 12675728, 25351456]

約数ペア:

[(1, 25351456), (2, 12675728), (4, 6337864), (8, 3168932), (13, 1950112), (16, 1584466), (26, 975056), (32, 792233), (52, 487528), (104, 243764), (149, 170144), (208, 121882), (298, 85072), (409, 61984), (416, 60941), (596, 42536), (818, 30992), (1192, 21268), (1636, 15496), (1937, 13088), (2384, 10634), (3272, 7748), (3874, 6544), (4768, 5317)]