218537977

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1\times {\mathrm{1031}}^1$

素因数の和:1428

約数の個数: 16

約数和(自身を含む): 253228032

約数和(自身を除く): 34690055

約数列:

[1, 7, 107, 283, 749, 1031, 1981, 7217, 30281, 110317, 211967, 291773, 772219, 2042411, 31219711, 218537977]

約数ペア:

[(1, 218537977), (7, 31219711), (107, 2042411), (283, 772219), (749, 291773), (1031, 211967), (1981, 110317), (7217, 30281)]