81318426196

素因数分解:

$2^2\times 7^1\times {\mathrm{2904229507}}^1$

素因数の和:2904229518

約数の個数: 12

約数和(自身を含む): 162636852448

約数和(自身を除く): 81318426252

約数列:

[1, 2, 4, 7, 14, 28, 2904229507, 5808459014, 11616918028, 20329606549, 40659213098, 81318426196]

約数ペア:

[(1, 81318426196), (2, 40659213098), (4, 20329606549), (7, 11616918028), (14, 5808459014), (28, 2904229507)]