139608505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71411}}^1$

素因数の和:71456

約数の個数: 16

約数和(自身を含む): 185099904

約数和(自身を除く): 45491399

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 71411, 357055, 1213987, 1642453, 6069935, 8212265, 27921701, 139608505]

約数ペア:

[(1, 139608505), (5, 27921701), (17, 8212265), (23, 6069935), (85, 1642453), (115, 1213987), (391, 357055), (1955, 71411)]