31886270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245279}}^1$

素因数の和:245299

約数の個数: 16

約数和(自身を含む): 61810560

約数和(自身を除く): 29924290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 245279, 490558, 1226395, 2452790, 3188627, 6377254, 15943135, 31886270]

約数ペア:

[(1, 31886270), (2, 15943135), (5, 6377254), (10, 3188627), (13, 2452790), (26, 1226395), (65, 490558), (130, 245279)]