28661578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{12899}}^1$

素因数の和:13013

約数の個数: 16

約数和(自身を含む): 47368800

約数和(自身を除く): 18707222

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 12899, 25798, 141889, 283778, 1302799, 2605598, 14330789, 28661578]

約数ペア:

[(1, 28661578), (2, 14330789), (11, 2605598), (22, 1302799), (101, 283778), (202, 141889), (1111, 25798), (2222, 12899)]