12457904

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:477

約数の個数: 40

約数和(自身を含む): 25519200

約数和(自身を除く): 13061296

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 97, 184, 194, 349, 368, 388, 698, 776, 1396, 1552, 2231, 2792, 4462, 5584, 8027, 8924, 16054, 17848, 32108, 33853, 35696, 64216, 67706, 128432, 135412, 270824, 541648, 778619, 1557238, 3114476, 6228952, 12457904]

約数ペア:

[(1, 12457904), (2, 6228952), (4, 3114476), (8, 1557238), (16, 778619), (23, 541648), (46, 270824), (92, 135412), (97, 128432), (184, 67706), (194, 64216), (349, 35696), (368, 33853), (388, 32108), (698, 17848), (776, 16054), (1396, 8924), (1552, 8027), (2231, 5584), (2792, 4462)]