2139878

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{487}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 3484320

約数和(自身を除く): 1344442

約数列:

[1, 2, 13, 26, 169, 338, 487, 974, 2197, 4394, 6331, 12662, 82303, 164606, 1069939, 2139878]

約数ペア:

[(1, 2139878), (2, 1069939), (13, 164606), (26, 82303), (169, 12662), (338, 6331), (487, 4394), (974, 2197)]