210681770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1620629}}^1$

素因数の和:1620649

約数の個数: 16

約数和(自身を含む): 408398760

約数和(自身を除く): 197716990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1620629, 3241258, 8103145, 16206290, 21068177, 42136354, 105340885, 210681770]

約数ペア:

[(1, 210681770), (2, 105340885), (5, 42136354), (10, 21068177), (13, 16206290), (26, 8103145), (65, 3241258), (130, 1620629)]