678462928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17443}}^1$

素因数の和:17492

約数の個数: 80

約数和(自身を含む): 1635270336

約数和(自身を除く): 956807408

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 272, 286, 374, 442, 572, 748, 884, 1144, 1496, 1768, 2288, 2431, 2992, 3536, 4862, 9724, 17443, 19448, 34886, 38896, 69772, 139544, 191873, 226759, 279088, 296531, 383746, 453518, 593062, 767492, 907036, 1186124, 1534984, 1814072, 2372248, 2494349, 3069968, 3261841, 3628144, 3854903, 4744496, 4988698, 6523682, 7709806, 9977396, 13047364, 15419612, 19954792, 26094728, 30839224, 39909584, 42403933, 52189456, 61678448, 84807866, 169615732, 339231464, 678462928]

約数ペア:

[(1, 678462928), (2, 339231464), (4, 169615732), (8, 84807866), (11, 61678448), (13, 52189456), (16, 42403933), (17, 39909584), (22, 30839224), (26, 26094728), (34, 19954792), (44, 15419612), (52, 13047364), (68, 9977396), (88, 7709806), (104, 6523682), (136, 4988698), (143, 4744496), (176, 3854903), (187, 3628144), (208, 3261841), (221, 3069968), (272, 2494349), (286, 2372248), (374, 1814072), (442, 1534984), (572, 1186124), (748, 907036), (884, 767492), (1144, 593062), (1496, 453518), (1768, 383746), (2288, 296531), (2431, 279088), (2992, 226759), (3536, 191873), (4862, 139544), (9724, 69772), (17443, 38896), (19448, 34886)]