214353968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{311561}}^1$

素因数の和:311612

約数の個数: 20

約数和(自身を含む): 424970568

約数和(自身を除く): 210616600

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 311561, 623122, 1246244, 2492488, 4984976, 13397123, 26794246, 53588492, 107176984, 214353968]

約数ペア:

[(1, 214353968), (2, 107176984), (4, 53588492), (8, 26794246), (16, 13397123), (43, 4984976), (86, 2492488), (172, 1246244), (344, 623122), (688, 311561)]