28778819

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 31309824

約数和(自身を除く): 2531005

約数列:

[1, 23, 31, 181, 223, 713, 4163, 5129, 5611, 6913, 40363, 129053, 158999, 928349, 1251253, 28778819]

約数ペア:

[(1, 28778819), (23, 1251253), (31, 928349), (181, 158999), (223, 129053), (713, 40363), (4163, 6913), (5129, 5611)]