28754902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{12941}}^1$

素因数の和:13055

約数の個数: 16

約数和(自身を含む): 47523024

約数和(自身を除く): 18768122

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 12941, 25882, 142351, 284702, 1307041, 2614082, 14377451, 28754902]

約数ペア:

[(1, 28754902), (2, 14377451), (11, 2614082), (22, 1307041), (101, 284702), (202, 142351), (1111, 25882), (2222, 12941)]