2011780015

素因数分解:

$5^1\times 7^2\times {\mathrm{2543}}^1\times {\mathrm{3229}}^1$

素因数の和:5791

約数の個数: 24

約数和(自身を含む): 2810255040

約数和(自身を除く): 798475025

約数列:

[1, 5, 7, 35, 49, 245, 2543, 3229, 12715, 16145, 17801, 22603, 89005, 113015, 124607, 158221, 623035, 791105, 8211347, 41056735, 57479429, 287397145, 402356003, 2011780015]

約数ペア:

[(1, 2011780015), (5, 402356003), (7, 287397145), (35, 57479429), (49, 41056735), (245, 8211347), (2543, 791105), (3229, 623035), (12715, 158221), (16145, 124607), (17801, 113015), (22603, 89005)]