42991390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{330703}}^1$

素因数の和:330723

約数の個数: 16

約数和(自身を含む): 83337408

約数和(自身を除く): 40346018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 330703, 661406, 1653515, 3307030, 4299139, 8598278, 21495695, 42991390]

約数ペア:

[(1, 42991390), (2, 21495695), (5, 8598278), (10, 4299139), (13, 3307030), (26, 1653515), (65, 661406), (130, 330703)]