31211686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{13259}}^1$

素因数の和:13379

約数の個数: 16

約数和(自身を含む): 51554880

約数和(自身を除く): 20343194

約数列:

[1, 2, 11, 22, 107, 214, 1177, 2354, 13259, 26518, 145849, 291698, 1418713, 2837426, 15605843, 31211686]

約数ペア:

[(1, 31211686), (2, 15605843), (11, 2837426), (22, 1418713), (107, 291698), (214, 145849), (1177, 26518), (2354, 13259)]