216855856

素因数分解:

$2^4\times 7^1\times {\mathrm{1936213}}^1$

素因数の和:1936228

約数の個数: 20

約数和(自身を含む): 480181072

約数和(自身を除く): 263325216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1936213, 3872426, 7744852, 13553491, 15489704, 27106982, 30979408, 54213964, 108427928, 216855856]

約数ペア:

[(1, 216855856), (2, 108427928), (4, 54213964), (7, 30979408), (8, 27106982), (14, 15489704), (16, 13553491), (28, 7744852), (56, 3872426), (112, 1936213)]