72881279

素因数分解:

${\mathrm{31}}^2\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:662

約数の個数: 12

約数和(自身を含む): 75904920

約数和(自身を除く): 3023641

約数列:

[1, 31, 181, 419, 961, 5611, 12989, 75839, 173941, 402659, 2351009, 72881279]

約数ペア:

[(1, 72881279), (31, 2351009), (181, 402659), (419, 173941), (961, 75839), (5611, 12989)]