640926

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 1693440

約数和(自身を除く): 1052514

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 54, 66, 78, 83, 99, 117, 143, 166, 198, 234, 249, 286, 297, 351, 429, 498, 594, 702, 747, 858, 913, 1079, 1287, 1494, 1826, 2158, 2241, 2574, 2739, 3237, 3861, 4482, 5478, 6474, 7722, 8217, 9711, 11869, 16434, 19422, 23738, 24651, 29133, 35607, 49302, 58266, 71214, 106821, 213642, 320463, 640926]

約数ペア:

[(1, 640926), (2, 320463), (3, 213642), (6, 106821), (9, 71214), (11, 58266), (13, 49302), (18, 35607), (22, 29133), (26, 24651), (27, 23738), (33, 19422), (39, 16434), (54, 11869), (66, 9711), (78, 8217), (83, 7722), (99, 6474), (117, 5478), (143, 4482), (166, 3861), (198, 3237), (234, 2739), (249, 2574), (286, 2241), (297, 2158), (351, 1826), (429, 1494), (498, 1287), (594, 1079), (702, 913), (747, 858)]