257934170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1984109}}^1$

素因数の和:1984129

約数の個数: 16

約数和(自身を含む): 499995720

約数和(自身を除く): 242061550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1984109, 3968218, 9920545, 19841090, 25793417, 51586834, 128967085, 257934170]

約数ペア:

[(1, 257934170), (2, 128967085), (5, 51586834), (10, 25793417), (13, 19841090), (26, 9920545), (65, 3968218), (130, 1984109)]