28267910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{256981}}^1$

素因数の和:256999

約数の個数: 16

約数和(自身を含む): 55508112

約数和(自身を除く): 27240202

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 256981, 513962, 1284905, 2569810, 2826791, 5653582, 14133955, 28267910]

約数ペア:

[(1, 28267910), (2, 14133955), (5, 5653582), (10, 2826791), (11, 2569810), (22, 1284905), (55, 513962), (110, 256981)]