213520866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{373}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 475009920

約数和(自身を除く): 261489054

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 179, 246, 358, 373, 533, 537, 746, 1066, 1074, 1119, 1599, 2238, 2327, 3198, 4654, 4849, 6981, 7339, 9698, 13962, 14547, 14678, 15293, 22017, 29094, 30586, 44034, 45879, 66767, 91758, 95407, 133534, 190814, 198809, 200301, 286221, 397618, 400602, 572442, 596427, 867971, 1192854, 1735942, 2603913, 2737447, 5207826, 5474894, 8212341, 16424682, 35586811, 71173622, 106760433, 213520866]

約数ペア:

[(1, 213520866), (2, 106760433), (3, 71173622), (6, 35586811), (13, 16424682), (26, 8212341), (39, 5474894), (41, 5207826), (78, 2737447), (82, 2603913), (123, 1735942), (179, 1192854), (246, 867971), (358, 596427), (373, 572442), (533, 400602), (537, 397618), (746, 286221), (1066, 200301), (1074, 198809), (1119, 190814), (1599, 133534), (2238, 95407), (2327, 91758), (3198, 66767), (4654, 45879), (4849, 44034), (6981, 30586), (7339, 29094), (9698, 22017), (13962, 15293), (14547, 14678)]