2154720095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{299059}}^1$

素因数の和:299206

約数の個数: 16

約数和(自身を含む): 2842266240

約数和(自身を除く): 687546145

約数列:

[1, 5, 11, 55, 131, 655, 1441, 7205, 299059, 1495295, 3289649, 16448245, 39176729, 195883645, 430944019, 2154720095]

約数ペア:

[(1, 2154720095), (5, 430944019), (11, 195883645), (55, 39176729), (131, 16448245), (655, 3289649), (1441, 1495295), (7205, 299059)]