389631284

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{135101}}^1$

素因数の和:135215

約数の個数: 24

約数和(自身を含む): 786834048

約数和(自身を除く): 397202764

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 135101, 270202, 540404, 945707, 1891414, 3782828, 13915403, 27830806, 55661612, 97407821, 194815642, 389631284]

約数ペア:

[(1, 389631284), (2, 194815642), (4, 97407821), (7, 55661612), (14, 27830806), (28, 13915403), (103, 3782828), (206, 1891414), (412, 945707), (721, 540404), (1442, 270202), (2884, 135101)]