78663788

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{6869}}^1$

素因数の和:7289

約数の個数: 24

約数和(自身を含む): 157735200

約数和(自身を除く): 79071412

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 5726, 6869, 11452, 13738, 27476, 48083, 96166, 192332, 2809421, 5618842, 11237684, 19665947, 39331894, 78663788]

約数ペア:

[(1, 78663788), (2, 39331894), (4, 19665947), (7, 11237684), (14, 5618842), (28, 2809421), (409, 192332), (818, 96166), (1636, 48083), (2863, 27476), (5726, 13738), (6869, 11452)]