28660390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{260549}}^1$

素因数の和:260567

約数の個数: 16

約数和(自身を含む): 56278800

約数和(自身を除く): 27618410

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 260549, 521098, 1302745, 2605490, 2866039, 5732078, 14330195, 28660390]

約数ペア:

[(1, 28660390), (2, 14330195), (5, 5732078), (10, 2866039), (11, 2605490), (22, 1302745), (55, 521098), (110, 260549)]