217163908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{4176229}}^1$

素因数の和:4176246

約数の個数: 12

約数和(自身を含む): 409270540

約数和(自身を除く): 192106632

約数列:

[1, 2, 4, 13, 26, 52, 4176229, 8352458, 16704916, 54290977, 108581954, 217163908]

約数ペア:

[(1, 217163908), (2, 108581954), (4, 54290977), (13, 16704916), (26, 8352458), (52, 4176229)]