159880015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{7681}}^1$

素因数の和:7890

約数の個数: 16

約数和(自身を含む): 201329856

約数和(自身を除く): 41449841

約数列:

[1, 5, 23, 115, 181, 905, 4163, 7681, 20815, 38405, 176663, 883315, 1390261, 6951305, 31976003, 159880015]

約数ペア:

[(1, 159880015), (5, 31976003), (23, 6951305), (115, 1390261), (181, 883315), (905, 176663), (4163, 38405), (7681, 20815)]