221539188

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1420123}}^1$

素因数の和:1420143

約数の個数: 24

約数和(自身を含む): 556688608

約数和(自身を除く): 335149420

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1420123, 2840246, 4260369, 5680492, 8520738, 17041476, 18461599, 36923198, 55384797, 73846396, 110769594, 221539188]

約数ペア:

[(1, 221539188), (2, 110769594), (3, 73846396), (4, 55384797), (6, 36923198), (12, 18461599), (13, 17041476), (26, 8520738), (39, 5680492), (52, 4260369), (78, 2840246), (156, 1420123)]