2180829968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{3169811}}^1$

素因数の和:3169862

約数の個数: 20

約数和(自身を含む): 4323623568

約数和(自身を除く): 2142793600

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 3169811, 6339622, 12679244, 25358488, 50716976, 136301873, 272603746, 545207492, 1090414984, 2180829968]

約数ペア:

[(1, 2180829968), (2, 1090414984), (4, 545207492), (8, 272603746), (16, 136301873), (43, 50716976), (86, 25358488), (172, 12679244), (344, 6339622), (688, 3169811)]