68988842

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{401}}^1\times {\mathrm{509}}^1$

素因数の和:938

約数の個数: 24

約数和(自身を含む): 112555980

約数和(自身を除く): 43567138

約数列:

[1, 2, 13, 26, 169, 338, 401, 509, 802, 1018, 5213, 6617, 10426, 13234, 67769, 86021, 135538, 172042, 204109, 408218, 2653417, 5306834, 34494421, 68988842]

約数ペア:

[(1, 68988842), (2, 34494421), (13, 5306834), (26, 2653417), (169, 408218), (338, 204109), (401, 172042), (509, 135538), (802, 86021), (1018, 67769), (5213, 13234), (6617, 10426)]