31391210

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{51461}}^1$

素因数の和:51529

約数の個数: 16

約数和(自身を含む): 57431592

約数和(自身を除く): 26040382

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 51461, 102922, 257305, 514610, 3139121, 6278242, 15695605, 31391210]

約数ペア:

[(1, 31391210), (2, 15695605), (5, 6278242), (10, 3139121), (61, 514610), (122, 257305), (305, 102922), (610, 51461)]