25668601

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 31920000

約数和(自身を除く): 6251399

約数列:

[1, 7, 19, 49, 79, 133, 349, 553, 931, 1501, 2443, 3871, 6631, 10507, 17101, 27571, 46417, 73549, 192997, 324919, 523849, 1350979, 3666943, 25668601]

約数ペア:

[(1, 25668601), (7, 3666943), (19, 1350979), (49, 523849), (79, 324919), (133, 192997), (349, 73549), (553, 46417), (931, 27571), (1501, 17101), (2443, 10507), (3871, 6631)]