31291984

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{12457}}^1$

素因数の和:12622

約数の個数: 20

約数和(自身を含む): 61019284

約数和(自身を除く): 29727300

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 12457, 24914, 49828, 99656, 199312, 1955749, 3911498, 7822996, 15645992, 31291984]

約数ペア:

[(1, 31291984), (2, 15645992), (4, 7822996), (8, 3911498), (16, 1955749), (157, 199312), (314, 99656), (628, 49828), (1256, 24914), (2512, 12457)]