39978679

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9521}}^1$

素因数の和:9570

約数の個数: 16

約数和(自身を含む): 47990880

約数和(自身を除く): 8012201

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 9521, 123773, 161857, 180899, 2104141, 2351687, 3075283, 39978679]

約数ペア:

[(1, 39978679), (13, 3075283), (17, 2351687), (19, 2104141), (221, 180899), (247, 161857), (323, 123773), (4199, 9521)]