199980472

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1315661}}^1$

素因数の和:1315686

約数の個数: 16

約数和(自身を含む): 394698600

約数和(自身を除く): 194718128

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1315661, 2631322, 5262644, 10525288, 24997559, 49995118, 99990236, 199980472]

約数ペア:

[(1, 199980472), (2, 99990236), (4, 49995118), (8, 24997559), (19, 10525288), (38, 5262644), (76, 2631322), (152, 1315661)]