40819018

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1\times {\mathrm{409}}^1$

素因数の和:909

約数の個数: 16

約数和(自身を含む): 61992000

約数和(自身を除く): 21172982

約数列:

[1, 2, 139, 278, 359, 409, 718, 818, 49901, 56851, 99802, 113702, 146831, 293662, 20409509, 40819018]

約数ペア:

[(1, 40819018), (2, 20409509), (139, 293662), (278, 146831), (359, 113702), (409, 99802), (718, 56851), (818, 49901)]