15781648

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{4127}}^1$

素因数の和:4374

約数の個数: 20

約数和(自身を含む): 30712320

約数和(自身を除く): 14930672

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 4127, 8254, 16508, 33016, 66032, 986353, 1972706, 3945412, 7890824, 15781648]

約数ペア:

[(1, 15781648), (2, 7890824), (4, 3945412), (8, 1972706), (16, 986353), (239, 66032), (478, 33016), (956, 16508), (1912, 8254), (3824, 4127)]