7961863

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 10342080

約数和(自身を除く): 2380217

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 431, 637, 1421, 2639, 3017, 5603, 12499, 18473, 21119, 39221, 87493, 162487, 274547, 612451, 1137409, 7961863]

約数ペア:

[(1, 7961863), (7, 1137409), (13, 612451), (29, 274547), (49, 162487), (91, 87493), (203, 39221), (377, 21119), (431, 18473), (637, 12499), (1421, 5603), (2639, 3017)]