1393464205

素因数分解:

$5^1\times 7^2\times {\mathrm{5687609}}^1$

素因数の和:5687628

約数の個数: 12

約数和(自身を含む): 1945162620

約数和(自身を除く): 551698415

約数列:

[1, 5, 7, 35, 49, 245, 5687609, 28438045, 39813263, 199066315, 278692841, 1393464205]

約数ペア:

[(1, 1393464205), (5, 278692841), (7, 199066315), (35, 39813263), (49, 28438045), (245, 5687609)]