28203010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{256391}}^1$

素因数の和:256409

約数の個数: 16

約数和(自身を含む): 55380672

約数和(自身を除く): 27177662

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 256391, 512782, 1281955, 2563910, 2820301, 5640602, 14101505, 28203010]

約数ペア:

[(1, 28203010), (2, 14101505), (5, 5640602), (10, 2820301), (11, 2563910), (22, 1281955), (55, 512782), (110, 256391)]