203465776

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{19777}}^1$

素因数の和:20428

約数の個数: 20

約数和(自身を含む): 394847992

約数和(自身を除く): 191382216

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 10288, 19777, 39554, 79108, 158216, 316432, 12716611, 25433222, 50866444, 101732888, 203465776]

約数ペア:

[(1, 203465776), (2, 101732888), (4, 50866444), (8, 25433222), (16, 12716611), (643, 316432), (1286, 158216), (2572, 79108), (5144, 39554), (10288, 19777)]