64225871

素因数分解:

${\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2126

約数の個数: 12

約数和(自身を含む): 68580000

約数和(自身を除く): 4354129

約数列:

[1, 19, 89, 361, 1691, 1999, 32129, 37981, 177911, 721639, 3380309, 64225871]

約数ペア:

[(1, 64225871), (19, 3380309), (89, 721639), (361, 177911), (1691, 37981), (1999, 32129)]