128840390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1840577}}^1$

素因数の和:1840591

約数の個数: 16

約数和(自身を含む): 265043232

約数和(自身を除く): 136202842

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1840577, 3681154, 9202885, 12884039, 18405770, 25768078, 64420195, 128840390]

約数ペア:

[(1, 128840390), (2, 64420195), (5, 25768078), (7, 18405770), (10, 12884039), (14, 9202885), (35, 3681154), (70, 1840577)]