28216855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{11447}}^1$

素因数の和:11498

約数の個数: 16

約数和(自身を含む): 37091520

約数和(自身を除く): 8874665

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 11447, 57235, 194599, 331963, 972995, 1659815, 5643371, 28216855]

約数ペア:

[(1, 28216855), (5, 5643371), (17, 1659815), (29, 972995), (85, 331963), (145, 194599), (493, 57235), (2465, 11447)]