78206885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{22441}}^1$

素因数の和:22504

約数の個数: 16

約数和(自身を含む): 101796912

約数和(自身を除く): 23590027

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 22441, 112205, 381497, 920081, 1907485, 4600405, 15641377, 78206885]

約数ペア:

[(1, 78206885), (5, 15641377), (17, 4600405), (41, 1907485), (85, 920081), (205, 381497), (697, 112205), (3485, 22441)]