12681776

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{1423}}^1$

素因数の和:1988

約数の個数: 20

約数和(自身を含む): 24632352

約数和(自身を除く): 11950576

約数列:

[1, 2, 4, 8, 16, 557, 1114, 1423, 2228, 2846, 4456, 5692, 8912, 11384, 22768, 792611, 1585222, 3170444, 6340888, 12681776]

約数ペア:

[(1, 12681776), (2, 6340888), (4, 3170444), (8, 1585222), (16, 792611), (557, 22768), (1114, 11384), (1423, 8912), (2228, 5692), (2846, 4456)]