261031690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1373851}}^1$

素因数の和:1373877

約数の個数: 16

約数和(自身を含む): 494586720

約数和(自身を除く): 233555030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1373851, 2747702, 6869255, 13738510, 26103169, 52206338, 130515845, 261031690]

約数ペア:

[(1, 261031690), (2, 130515845), (5, 52206338), (10, 26103169), (19, 13738510), (38, 6869255), (95, 2747702), (190, 1373851)]