28271131

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 33007104

約数和(自身を除く): 4735973

約数列:

[1, 7, 103, 113, 347, 721, 791, 2429, 11639, 35741, 39211, 81473, 250187, 274477, 4038733, 28271131]

約数ペア:

[(1, 28271131), (7, 4038733), (103, 274477), (113, 250187), (347, 81473), (721, 39211), (791, 35741), (2429, 11639)]