210431390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1618703}}^1$

素因数の和:1618723

約数の個数: 16

約数和(自身を含む): 407913408

約数和(自身を除く): 197482018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1618703, 3237406, 8093515, 16187030, 21043139, 42086278, 105215695, 210431390]

約数ペア:

[(1, 210431390), (2, 105215695), (5, 42086278), (10, 21043139), (13, 16187030), (26, 8093515), (65, 3237406), (130, 1618703)]