11571985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1249}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 14850000

約数和(自身を除く): 3278015

約数列:

[1, 5, 17, 85, 109, 545, 1249, 1853, 6245, 9265, 21233, 106165, 136141, 680705, 2314397, 11571985]

約数ペア:

[(1, 11571985), (5, 2314397), (17, 680705), (85, 136141), (109, 106165), (545, 21233), (1249, 9265), (1853, 6245)]