87721292

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{1290019}}^1$

素因数の和:1290040

約数の個数: 12

約数和(自身を含む): 162542520

約数和(自身を除く): 74821228

約数列:

[1, 2, 4, 17, 34, 68, 1290019, 2580038, 5160076, 21930323, 43860646, 87721292]

約数ペア:

[(1, 87721292), (2, 43860646), (4, 21930323), (17, 5160076), (34, 2580038), (68, 1290019)]