12681136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1487}}^1$

素因数の和:1549

約数の個数: 40

約数和(自身を含む): 27123264

約数和(自身を除く): 14442128

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 1487, 2132, 2974, 4264, 5948, 8528, 11896, 19331, 23792, 38662, 60967, 77324, 121934, 154648, 243868, 309296, 487736, 792571, 975472, 1585142, 3170284, 6340568, 12681136]

約数ペア:

[(1, 12681136), (2, 6340568), (4, 3170284), (8, 1585142), (13, 975472), (16, 792571), (26, 487736), (41, 309296), (52, 243868), (82, 154648), (104, 121934), (164, 77324), (208, 60967), (328, 38662), (533, 23792), (656, 19331), (1066, 11896), (1487, 8528), (2132, 5948), (2974, 4264)]