1392681025

素因数分解:

$5^2\times {\mathrm{103}}^1\times {\mathrm{557}}^1\times {\mathrm{971}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 1748620224

約数和(自身を除く): 355939199

約数列:

[1, 5, 25, 103, 515, 557, 971, 2575, 2785, 4855, 13925, 24275, 57371, 100013, 286855, 500065, 540847, 1434275, 2500325, 2704235, 13521175, 55707241, 278536205, 1392681025]

約数ペア:

[(1, 1392681025), (5, 278536205), (25, 55707241), (103, 13521175), (515, 2704235), (557, 2500325), (971, 1434275), (2575, 540847), (2785, 500065), (4855, 286855), (13925, 100013), (24275, 57371)]