28288810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257171}}^1$

素因数の和:257189

約数の個数: 16

約数和(自身を含む): 55549152

約数和(自身を除く): 27260342

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257171, 514342, 1285855, 2571710, 2828881, 5657762, 14144405, 28288810]

約数ペア:

[(1, 28288810), (2, 14144405), (5, 5657762), (10, 2828881), (11, 2571710), (22, 1285855), (55, 514342), (110, 257171)]