128796656

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{277579}}^1$

素因数の和:277616

約数の個数: 20

約数和(自身を含む): 258149400

約数和(自身を除く): 129352744

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 277579, 555158, 1110316, 2220632, 4441264, 8049791, 16099582, 32199164, 64398328, 128796656]

約数ペア:

[(1, 128796656), (2, 64398328), (4, 32199164), (8, 16099582), (16, 8049791), (29, 4441264), (58, 2220632), (116, 1110316), (232, 555158), (464, 277579)]