25164721

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 27720000

約数和(自身を除く): 2555279

約数列:

[1, 19, 29, 109, 419, 551, 2071, 3161, 7961, 12151, 45671, 60059, 230869, 867749, 1324459, 25164721]

約数ペア:

[(1, 25164721), (19, 1324459), (29, 867749), (109, 230869), (419, 60059), (551, 45671), (2071, 12151), (3161, 7961)]