2629978

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 24

約数和(自身を含む): 4427136

約数和(自身を除く): 1797158

約数列:

[1, 2, 13, 26, 31, 62, 169, 251, 338, 403, 502, 806, 3263, 5239, 6526, 7781, 10478, 15562, 42419, 84838, 101153, 202306, 1314989, 2629978]

約数ペア:

[(1, 2629978), (2, 1314989), (13, 202306), (26, 101153), (31, 84838), (62, 42419), (169, 15562), (251, 10478), (338, 7781), (403, 6526), (502, 5239), (806, 3263)]