221219804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{4254227}}^1$

素因数の和:4254244

約数の個数: 12

約数和(自身を含む): 416914344

約数和(自身を除く): 195694540

約数列:

[1, 2, 4, 13, 26, 52, 4254227, 8508454, 17016908, 55304951, 110609902, 221219804]

約数ペア:

[(1, 221219804), (2, 110609902), (4, 55304951), (13, 17016908), (26, 8508454), (52, 4254227)]