81484252

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{49807}}^1$

素因数の和:50220

約数の個数: 12

約数和(自身を含む): 142948960

約数和(自身を除く): 61464708

約数列:

[1, 2, 4, 409, 818, 1636, 49807, 99614, 199228, 20371063, 40742126, 81484252]

約数ペア:

[(1, 81484252), (2, 40742126), (4, 20371063), (409, 199228), (818, 99614), (1636, 49807)]