821800145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{14281}}^1$

素因数の和:14980

約数の個数: 16

約数和(自身を含む): 1045785168

約数和(自身を除く): 223985023

約数列:

[1, 5, 17, 85, 677, 3385, 11509, 14281, 57545, 71405, 242777, 1213885, 9668237, 48341185, 164360029, 821800145]

約数ペア:

[(1, 821800145), (5, 164360029), (17, 48341185), (85, 9668237), (677, 1213885), (3385, 242777), (11509, 71405), (14281, 57545)]