1645781684

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{2960039}}^1$

素因数の和:2960182

約数の個数: 12

約数和(自身を含む): 2900839200

約数和(自身を除く): 1255057516

約数列:

[1, 2, 4, 139, 278, 556, 2960039, 5920078, 11840156, 411445421, 822890842, 1645781684]

約数ペア:

[(1, 1645781684), (2, 822890842), (4, 411445421), (139, 11840156), (278, 5920078), (556, 2960039)]