221552168

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{644047}}^1$

素因数の和:644096

約数の個数: 16

約数和(自身を含む): 425071680

約数和(自身を除く): 203519512

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 644047, 1288094, 2576188, 5152376, 27694021, 55388042, 110776084, 221552168]

約数ペア:

[(1, 221552168), (2, 110776084), (4, 55388042), (8, 27694021), (43, 5152376), (86, 2576188), (172, 1288094), (344, 644047)]