81890665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{8369}}^1$

素因数の和:8496

約数の個数: 16

約数和(自身を含む): 104457600

約数和(自身を除く): 22566935

約数列:

[1, 5, 19, 95, 103, 515, 1957, 8369, 9785, 41845, 159011, 795055, 862007, 4310035, 16378133, 81890665]

約数ペア:

[(1, 81890665), (5, 16378133), (19, 4310035), (95, 862007), (103, 795055), (515, 159011), (1957, 41845), (8369, 9785)]