81144178

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1\times {\mathrm{829}}^1$

素因数の和:1389

約数の個数: 16

約数和(自身を含む): 123255000

約数和(自身を除く): 42110822

約数列:

[1, 2, 109, 218, 449, 829, 898, 1658, 48941, 90361, 97882, 180722, 372221, 744442, 40572089, 81144178]

約数ペア:

[(1, 81144178), (2, 40572089), (109, 744442), (218, 372221), (449, 180722), (829, 97882), (898, 90361), (1658, 48941)]