258876121

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{18191}}^1$

素因数の和:18324

約数の個数: 16

約数和(自身を含む): 314357760

約数和(自身を除く): 55481639

約数列:

[1, 7, 19, 107, 133, 749, 2033, 14231, 18191, 127337, 345629, 1946437, 2419403, 13625059, 36982303, 258876121]

約数ペア:

[(1, 258876121), (7, 36982303), (19, 13625059), (107, 2419403), (133, 1946437), (749, 345629), (2033, 127337), (14231, 18191)]