2108739985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{106207}}^1$

素因数の和:106261

約数の個数: 24

約数和(自身を含む): 2913497856

約数和(自身を除く): 804757871

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 1045, 1805, 3971, 19855, 106207, 531035, 1168277, 2017933, 5841385, 10089665, 22197263, 38340727, 110986315, 191703635, 421747997, 2108739985]

約数ペア:

[(1, 2108739985), (5, 421747997), (11, 191703635), (19, 110986315), (55, 38340727), (95, 22197263), (209, 10089665), (361, 5841385), (1045, 2017933), (1805, 1168277), (3971, 531035), (19855, 106207)]