25570013

素因数分解:

$7^2\times {\mathrm{631}}^1\times {\mathrm{827}}^1$

素因数の和:1472

約数の個数: 12

約数和(自身を含む): 29827872

約数和(自身を除く): 4257859

約数列:

[1, 7, 49, 631, 827, 4417, 5789, 30919, 40523, 521837, 3652859, 25570013]

約数ペア:

[(1, 25570013), (7, 3652859), (49, 521837), (631, 40523), (827, 30919), (4417, 5789)]