1921483825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{16963}}^1$

素因数の和:17193

約数の個数: 24

約数和(自身を含む): 2499000768

約数和(自身を除く): 577516943

約数列:

[1, 5, 23, 25, 115, 197, 575, 985, 4531, 4925, 16963, 22655, 84815, 113275, 390149, 424075, 1950745, 3341711, 9753725, 16708555, 76859353, 83542775, 384296765, 1921483825]

約数ペア:

[(1, 1921483825), (5, 384296765), (23, 83542775), (25, 76859353), (115, 16708555), (197, 9753725), (575, 3341711), (985, 1950745), (4531, 424075), (4925, 390149), (16963, 113275), (22655, 84815)]