209640564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{11717}}^1$

素因数の和:11805

約数の個数: 72

約数和(自身を含む): 614210688

約数和(自身を除く): 404570124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1278, 1491, 1988, 2556, 2982, 4473, 5964, 8946, 11717, 17892, 23434, 35151, 46868, 70302, 82019, 105453, 140604, 164038, 210906, 246057, 328076, 421812, 492114, 738171, 831907, 984228, 1476342, 1663814, 2495721, 2952684, 3327628, 4991442, 5823349, 7487163, 9982884, 11646698, 14974326, 17470047, 23293396, 29948652, 34940094, 52410141, 69880188, 104820282, 209640564]

約数ペア:

[(1, 209640564), (2, 104820282), (3, 69880188), (4, 52410141), (6, 34940094), (7, 29948652), (9, 23293396), (12, 17470047), (14, 14974326), (18, 11646698), (21, 9982884), (28, 7487163), (36, 5823349), (42, 4991442), (63, 3327628), (71, 2952684), (84, 2495721), (126, 1663814), (142, 1476342), (213, 984228), (252, 831907), (284, 738171), (426, 492114), (497, 421812), (639, 328076), (852, 246057), (994, 210906), (1278, 164038), (1491, 140604), (1988, 105453), (2556, 82019), (2982, 70302), (4473, 46868), (5964, 35151), (8946, 23434), (11717, 17892)]