221610992

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{322109}}^1$

素因数の和:322160

約数の個数: 20

約数和(自身を含む): 439358040

約数和(自身を除く): 217747048

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 322109, 644218, 1288436, 2576872, 5153744, 13850687, 27701374, 55402748, 110805496, 221610992]

約数ペア:

[(1, 221610992), (2, 110805496), (4, 55402748), (8, 27701374), (16, 13850687), (43, 5153744), (86, 2576872), (172, 1288436), (344, 644218), (688, 322109)]