1398406525

素因数分解:

$5^2\times {\mathrm{127}}^1\times {\mathrm{440443}}^1$

素因数の和:440580

約数の個数: 12

約数和(自身を含む): 1747681792

約数和(自身を除く): 349275267

約数列:

[1, 5, 25, 127, 635, 3175, 440443, 2202215, 11011075, 55936261, 279681305, 1398406525]

約数ペア:

[(1, 1398406525), (5, 279681305), (25, 55936261), (127, 11011075), (635, 2202215), (3175, 440443)]