31155308

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{821}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 55928880

約数和(自身を除く): 24773572

約数列:

[1, 2, 4, 53, 106, 179, 212, 358, 716, 821, 1642, 3284, 9487, 18974, 37948, 43513, 87026, 146959, 174052, 293918, 587836, 7788827, 15577654, 31155308]

約数ペア:

[(1, 31155308), (2, 15577654), (4, 7788827), (53, 587836), (106, 293918), (179, 174052), (212, 146959), (358, 87026), (716, 43513), (821, 37948), (1642, 18974), (3284, 9487)]