28789721

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2539}}^1$

素因数の和:2608

約数の個数: 16

約数和(自身を含む): 32918400

約数和(自身を除く): 4128679

約数列:

[1, 17, 23, 29, 391, 493, 667, 2539, 11339, 43163, 58397, 73631, 992749, 1251727, 1693513, 28789721]

約数ペア:

[(1, 28789721), (17, 1693513), (23, 1251727), (29, 992749), (391, 73631), (493, 58397), (667, 43163), (2539, 11339)]