491880156

素因数分解:

$2^2\times 3^1\times {\mathrm{40990013}}^1$

素因数の和:40990020

約数の個数: 12

約数和(自身を含む): 1147720392

約数和(自身を除く): 655840236

約数列:

[1, 2, 3, 4, 6, 12, 40990013, 81980026, 122970039, 163960052, 245940078, 491880156]

約数ペア:

[(1, 491880156), (2, 245940078), (3, 163960052), (4, 122970039), (6, 81980026), (12, 40990013)]