13651975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 18280080

約数和(自身を除く): 4628105

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 701, 779, 1025, 3505, 3895, 13319, 17525, 19475, 28741, 66595, 143705, 332975, 546079, 718525, 2730395, 13651975]

約数ペア:

[(1, 13651975), (5, 2730395), (19, 718525), (25, 546079), (41, 332975), (95, 143705), (205, 66595), (475, 28741), (701, 19475), (779, 17525), (1025, 13319), (3505, 3895)]