2131577855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1907}}^1\times {\mathrm{20323}}^1$

素因数の和:22246

約数の個数: 16

約数和(自身を含む): 2792029824

約数和(自身を除く): 660451969

約数列:

[1, 5, 11, 55, 1907, 9535, 20323, 20977, 101615, 104885, 223553, 1117765, 38755961, 193779805, 426315571, 2131577855]

約数ペア:

[(1, 2131577855), (5, 426315571), (11, 193779805), (55, 38755961), (1907, 1117765), (9535, 223553), (20323, 104885), (20977, 101615)]