2668666

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 64

約数和(自身を含む): 5677056

約数和(自身を除く): 3008390

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 31, 43, 62, 77, 86, 91, 143, 154, 182, 217, 286, 301, 341, 403, 434, 473, 559, 602, 682, 806, 946, 1001, 1118, 1333, 2002, 2387, 2666, 2821, 3311, 3913, 4433, 4774, 5642, 6149, 6622, 7826, 8866, 9331, 12298, 14663, 17329, 18662, 29326, 31031, 34658, 43043, 62062, 86086, 102641, 121303, 190619, 205282, 242606, 381238, 1334333, 2668666]

約数ペア:

[(1, 2668666), (2, 1334333), (7, 381238), (11, 242606), (13, 205282), (14, 190619), (22, 121303), (26, 102641), (31, 86086), (43, 62062), (62, 43043), (77, 34658), (86, 31031), (91, 29326), (143, 18662), (154, 17329), (182, 14663), (217, 12298), (286, 9331), (301, 8866), (341, 7826), (403, 6622), (434, 6149), (473, 5642), (559, 4774), (602, 4433), (682, 3913), (806, 3311), (946, 2821), (1001, 2666), (1118, 2387), (1333, 2002)]