86884990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{1009}}^1$

素因数の和:1204

約数の個数: 32

約数和(自身を含む): 159984000

約数和(自身を除く): 73099010

約数列:

[1, 2, 5, 10, 79, 109, 158, 218, 395, 545, 790, 1009, 1090, 2018, 5045, 8611, 10090, 17222, 43055, 79711, 86110, 109981, 159422, 219962, 398555, 549905, 797110, 1099810, 8688499, 17376998, 43442495, 86884990]

約数ペア:

[(1, 86884990), (2, 43442495), (5, 17376998), (10, 8688499), (79, 1099810), (109, 797110), (158, 549905), (218, 398555), (395, 219962), (545, 159422), (790, 109981), (1009, 86110), (1090, 79711), (2018, 43055), (5045, 17222), (8611, 10090)]