66818668

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 149990400

約数和(自身を除く): 83171732

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 61, 71, 76, 116, 122, 133, 142, 203, 244, 266, 284, 406, 427, 497, 532, 551, 812, 854, 994, 1102, 1159, 1349, 1708, 1769, 1988, 2059, 2204, 2318, 2698, 3538, 3857, 4118, 4331, 4636, 5396, 7076, 7714, 8113, 8236, 8662, 9443, 12383, 14413, 15428, 16226, 17324, 18886, 24766, 28826, 30317, 32452, 33611, 37772, 39121, 49532, 57652, 60634, 67222, 78242, 82289, 121268, 125599, 134444, 156484, 164578, 235277, 251198, 273847, 329156, 470554, 502396, 547694, 576023, 879193, 941108, 1095388, 1152046, 1758386, 2304092, 2386381, 3516772, 4772762, 9545524, 16704667, 33409334, 66818668]

約数ペア:

[(1, 66818668), (2, 33409334), (4, 16704667), (7, 9545524), (14, 4772762), (19, 3516772), (28, 2386381), (29, 2304092), (38, 1758386), (58, 1152046), (61, 1095388), (71, 941108), (76, 879193), (116, 576023), (122, 547694), (133, 502396), (142, 470554), (203, 329156), (244, 273847), (266, 251198), (284, 235277), (406, 164578), (427, 156484), (497, 134444), (532, 125599), (551, 121268), (812, 82289), (854, 78242), (994, 67222), (1102, 60634), (1159, 57652), (1349, 49532), (1708, 39121), (1769, 37772), (1988, 33611), (2059, 32452), (2204, 30317), (2318, 28826), (2698, 24766), (3538, 18886), (3857, 17324), (4118, 16226), (4331, 15428), (4636, 14413), (5396, 12383), (7076, 9443), (7714, 8662), (8113, 8236)]