15989945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8179}}^1$

素因数の和:8224

約数の個数: 16

約数和(自身を含む): 21202560

約数和(自身を除く): 5212615

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 8179, 40895, 139043, 188117, 695215, 940585, 3197989, 15989945]

約数ペア:

[(1, 15989945), (5, 3197989), (17, 940585), (23, 695215), (85, 188117), (115, 139043), (391, 40895), (1955, 8179)]