2173659455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{80491}}^1$

素因数の和:80998

約数の個数: 16

約数和(自身を含む): 2851348608

約数和(自身を除く): 677689153

約数列:

[1, 5, 11, 55, 491, 2455, 5401, 27005, 80491, 402455, 885401, 4427005, 39521081, 197605405, 434731891, 2173659455]

約数ペア:

[(1, 2173659455), (5, 434731891), (11, 197605405), (55, 39521081), (491, 4427005), (2455, 885401), (5401, 402455), (27005, 80491)]