86867788

素因数分解:

$2^2\times 7^2\times {\mathrm{443203}}^1$

素因数の和:443221

約数の個数: 18

約数和(自身を含む): 176838396

約数和(自身を除く): 89970608

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 443203, 886406, 1772812, 3102421, 6204842, 12409684, 21716947, 43433894, 86867788]

約数ペア:

[(1, 86867788), (2, 43433894), (4, 21716947), (7, 12409684), (14, 6204842), (28, 3102421), (49, 1772812), (98, 886406), (196, 443203)]