221680928

素因数分解:

$2^5\times 7^1\times {\mathrm{989647}}^1$

素因数の和:989664

約数の個数: 24

約数和(自身を含む): 498782592

約数和(自身を除く): 277101664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 989647, 1979294, 3958588, 6927529, 7917176, 13855058, 15834352, 27710116, 31668704, 55420232, 110840464, 221680928]

約数ペア:

[(1, 221680928), (2, 110840464), (4, 55420232), (7, 31668704), (8, 27710116), (14, 15834352), (16, 13855058), (28, 7917176), (32, 6927529), (56, 3958588), (112, 1979294), (224, 989647)]