61819868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{127727}}^1$

素因数の和:127753

約数の個数: 18

約数和(自身を含む): 118914768

約数和(自身を除く): 57094900

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 127727, 255454, 510908, 1404997, 2809994, 5619988, 15454967, 30909934, 61819868]

約数ペア:

[(1, 61819868), (2, 30909934), (4, 15454967), (11, 5619988), (22, 2809994), (44, 1404997), (121, 510908), (242, 255454), (484, 127727)]