1393904090

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{887837}}^1$

素因数の和:888001

約数の個数: 16

約数和(自身を含む): 2525011272

約数和(自身を除く): 1131107182

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 887837, 1775674, 4439185, 8878370, 139390409, 278780818, 696952045, 1393904090]

約数ペア:

[(1, 1393904090), (2, 696952045), (5, 278780818), (10, 139390409), (157, 8878370), (314, 4439185), (785, 1775674), (1570, 887837)]