31388275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 40675968

約数和(自身を除く): 9287693

約数列:

[1, 5, 25, 31, 101, 155, 401, 505, 775, 2005, 2525, 3131, 10025, 12431, 15655, 40501, 62155, 78275, 202505, 310775, 1012525, 1255531, 6277655, 31388275]

約数ペア:

[(1, 31388275), (5, 6277655), (25, 1255531), (31, 1012525), (101, 310775), (155, 202505), (401, 78275), (505, 62155), (775, 40501), (2005, 15655), (2525, 12431), (3131, 10025)]