87987556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{8329}}^1$

素因数の和:8491

約数の個数: 24

約数和(自身を含む): 163268000

約数和(自身を除く): 75280444

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 556, 2641, 5282, 8329, 10564, 16658, 33316, 158251, 316502, 633004, 1157731, 2315462, 4630924, 21996889, 43993778, 87987556]

約数ペア:

[(1, 87987556), (2, 43993778), (4, 21996889), (19, 4630924), (38, 2315462), (76, 1157731), (139, 633004), (278, 316502), (556, 158251), (2641, 33316), (5282, 16658), (8329, 10564)]