33778390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1279}}^1$

素因数の和:1444

約数の個数: 32

約数和(自身を含む): 64512000

約数和(自身を除く): 30733610

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 1279, 1390, 2558, 2641, 5282, 6395, 12790, 13205, 24301, 26410, 48602, 121505, 177781, 243010, 355562, 888905, 1777810, 3377839, 6755678, 16889195, 33778390]

約数ペア:

[(1, 33778390), (2, 16889195), (5, 6755678), (10, 3377839), (19, 1777810), (38, 888905), (95, 355562), (139, 243010), (190, 177781), (278, 121505), (695, 48602), (1279, 26410), (1390, 24301), (2558, 13205), (2641, 12790), (5282, 6395)]