215996816

素因数分解:

$2^4\times 7^1\times {\mathrm{1928543}}^1$

素因数の和:1928558

約数の個数: 20

約数和(自身を含む): 478278912

約数和(自身を除く): 262282096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1928543, 3857086, 7714172, 13499801, 15428344, 26999602, 30856688, 53999204, 107998408, 215996816]

約数ペア:

[(1, 215996816), (2, 107998408), (4, 53999204), (7, 30856688), (8, 26999602), (14, 15428344), (16, 13499801), (28, 7714172), (56, 3857086), (112, 1928543)]