15991441

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 17712000

約数和(自身を除く): 1720559

約数列:

[1, 17, 29, 163, 199, 493, 2771, 3383, 4727, 5771, 32437, 80359, 98107, 551429, 940673, 15991441]

約数ペア:

[(1, 15991441), (17, 940673), (29, 551429), (163, 98107), (199, 80359), (493, 32437), (2771, 5771), (3383, 4727)]