81412490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{478897}}^1$

素因数の和:478921

約数の個数: 16

約数和(自身を含む): 155162952

約数和(自身を除く): 73750462

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 478897, 957794, 2394485, 4788970, 8141249, 16282498, 40706245, 81412490]

約数ペア:

[(1, 81412490), (2, 40706245), (5, 16282498), (10, 8141249), (17, 4788970), (34, 2394485), (85, 957794), (170, 478897)]