86972977

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 110596416

約数和(自身を除く): 23623439

約数列:

[1, 7, 13, 37, 91, 169, 259, 481, 1183, 1987, 3367, 6253, 13909, 25831, 43771, 73519, 180817, 335803, 514633, 955747, 2350621, 6690229, 12424711, 86972977]

約数ペア:

[(1, 86972977), (7, 12424711), (13, 6690229), (37, 2350621), (91, 955747), (169, 514633), (259, 335803), (481, 180817), (1183, 73519), (1987, 43771), (3367, 25831), (6253, 13909)]