216221648

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{90697}}^1$

素因数の和:90854

約数の個数: 20

約数和(自身を含む): 421745700

約数和(自身を除く): 205524052

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 90697, 181394, 362788, 725576, 1451152, 13513853, 27027706, 54055412, 108110824, 216221648]

約数ペア:

[(1, 216221648), (2, 108110824), (4, 54055412), (8, 27027706), (16, 13513853), (149, 1451152), (298, 725576), (596, 362788), (1192, 181394), (2384, 90697)]