28398154

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{881}}^1$

素因数の和:1181

約数の個数: 16

約数和(自身を含む): 43436736

約数和(自身を除く): 15038582

約数列:

[1, 2, 71, 142, 227, 454, 881, 1762, 16117, 32234, 62551, 125102, 199987, 399974, 14199077, 28398154]

約数ペア:

[(1, 28398154), (2, 14199077), (71, 399974), (142, 199987), (227, 125102), (454, 62551), (881, 32234), (1762, 16117)]