3991390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30703}}^1$

素因数の和:30723

約数の個数: 16

約数和(自身を含む): 7737408

約数和(自身を除く): 3746018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 30703, 61406, 153515, 307030, 399139, 798278, 1995695, 3991390]

約数ペア:

[(1, 3991390), (2, 1995695), (5, 798278), (10, 399139), (13, 307030), (26, 153515), (65, 61406), (130, 30703)]