1378340726

素因数分解:

$2^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{310577}}^1$

素因数の和:310903

約数の個数: 16

約数和(自身を含む): 2370331296

約数和(自身を除く): 991990570

約数列:

[1, 2, 7, 14, 317, 634, 2219, 4438, 310577, 621154, 2174039, 4348078, 98452909, 196905818, 689170363, 1378340726]

約数ペア:

[(1, 1378340726), (2, 689170363), (7, 196905818), (14, 98452909), (317, 4348078), (634, 2174039), (2219, 621154), (4438, 310577)]