668836513

素因数分解:

${\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1\times {\mathrm{353}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 691362000

約数和(自身を除く): 22525487

約数列:

[1, 61, 89, 349, 353, 5429, 21289, 21533, 31061, 31417, 123197, 1894721, 1916437, 7515017, 10964533, 668836513]

約数ペア:

[(1, 668836513), (61, 10964533), (89, 7515017), (349, 1916437), (353, 1894721), (5429, 123197), (21289, 31417), (21533, 31061)]