20161294895

素因数分解:

$5^1\times 7^1\times {\mathrm{9001}}^1\times {\mathrm{63997}}^1$

素因数の和:73010

約数の個数: 16

約数和(自身を含む): 27653279808

約数和(自身を除く): 7491984913

約数列:

[1, 5, 7, 35, 9001, 45005, 63007, 63997, 315035, 319985, 447979, 2239895, 576036997, 2880184985, 4032258979, 20161294895]

約数ペア:

[(1, 20161294895), (5, 4032258979), (7, 2880184985), (35, 576036997), (9001, 2239895), (45005, 447979), (63007, 319985), (63997, 315035)]