81791998

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{126613}}^1$

素因数の和:126651

約数の個数: 16

約数和(自身を含む): 136743120

約数和(自身を除く): 54951122

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 126613, 253226, 2152421, 2405647, 4304842, 4811294, 40895999, 81791998]

約数ペア:

[(1, 81791998), (2, 40895999), (17, 4811294), (19, 4304842), (34, 2405647), (38, 2152421), (323, 253226), (646, 126613)]