28106870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{255517}}^1$

素因数の和:255535

約数の個数: 16

約数和(自身を含む): 55191888

約数和(自身を除く): 27085018

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 255517, 511034, 1277585, 2555170, 2810687, 5621374, 14053435, 28106870]

約数ペア:

[(1, 28106870), (2, 14053435), (5, 5621374), (10, 2810687), (11, 2555170), (22, 1277585), (55, 511034), (110, 255517)]