28663745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{17971}}^1$

素因数の和:18016

約数の個数: 16

約数和(自身を含む): 38819520

約数和(自身を除く): 10155775

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 17971, 89855, 197681, 521159, 988405, 2605795, 5732749, 28663745]

約数ペア:

[(1, 28663745), (5, 5732749), (11, 2605795), (29, 988405), (55, 521159), (145, 197681), (319, 89855), (1595, 17971)]