31687984

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{53527}}^1$

素因数の和:53572

約数の個数: 20

約数和(自身を含む): 63055984

約数和(自身を除く): 31368000

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 53527, 107054, 214108, 428216, 856432, 1980499, 3960998, 7921996, 15843992, 31687984]

約数ペア:

[(1, 31687984), (2, 15843992), (4, 7921996), (8, 3960998), (16, 1980499), (37, 856432), (74, 428216), (148, 214108), (296, 107054), (592, 53527)]