28100138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{20939}}^1$

素因数の和:21013

約数の個数: 16

約数和(自身を含む): 46738080

約数和(自身を除く): 18637942

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 20939, 41878, 230329, 460658, 1277279, 2554558, 14050069, 28100138]

約数ペア:

[(1, 28100138), (2, 14050069), (11, 2554558), (22, 1277279), (61, 460658), (122, 230329), (671, 41878), (1342, 20939)]