397940672

素因数分解:

$2^6\times {\mathrm{311}}^1\times {\mathrm{19993}}^1$

素因数の和:20316

約数の個数: 28

約数和(自身を含む): 792242256

約数和(自身を除く): 394301584

約数列:

[1, 2, 4, 8, 16, 32, 64, 311, 622, 1244, 2488, 4976, 9952, 19904, 19993, 39986, 79972, 159944, 319888, 639776, 1279552, 6217823, 12435646, 24871292, 49742584, 99485168, 198970336, 397940672]

約数ペア:

[(1, 397940672), (2, 198970336), (4, 99485168), (8, 49742584), (16, 24871292), (32, 12435646), (64, 6217823), (311, 1279552), (622, 639776), (1244, 319888), (2488, 159944), (4976, 79972), (9952, 39986), (19904, 19993)]