81784626

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^4\times {\mathrm{19}}^1$

素因数の和:82

約数の個数: 120

約数和(自身を含む): 220316400

約数和(自身を除く): 138531774

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 49, 57, 66, 77, 98, 114, 121, 133, 147, 154, 209, 231, 242, 266, 294, 363, 399, 418, 462, 539, 627, 726, 798, 847, 931, 1078, 1254, 1331, 1463, 1617, 1694, 1862, 2299, 2541, 2662, 2793, 2926, 3234, 3993, 4389, 4598, 5082, 5586, 5929, 6897, 7986, 8778, 9317, 10241, 11858, 13794, 14641, 16093, 17787, 18634, 20482, 25289, 27951, 29282, 30723, 32186, 35574, 43923, 48279, 50578, 55902, 61446, 65219, 75867, 87846, 96558, 102487, 112651, 130438, 151734, 177023, 195657, 204974, 225302, 278179, 307461, 337953, 354046, 391314, 531069, 556358, 614922, 675906, 717409, 834537, 1062138, 1239161, 1434818, 1669074, 1947253, 2152227, 2478322, 3717483, 3894506, 4304454, 5841759, 7434966, 11683518, 13630771, 27261542, 40892313, 81784626]

約数ペア:

[(1, 81784626), (2, 40892313), (3, 27261542), (6, 13630771), (7, 11683518), (11, 7434966), (14, 5841759), (19, 4304454), (21, 3894506), (22, 3717483), (33, 2478322), (38, 2152227), (42, 1947253), (49, 1669074), (57, 1434818), (66, 1239161), (77, 1062138), (98, 834537), (114, 717409), (121, 675906), (133, 614922), (147, 556358), (154, 531069), (209, 391314), (231, 354046), (242, 337953), (266, 307461), (294, 278179), (363, 225302), (399, 204974), (418, 195657), (462, 177023), (539, 151734), (627, 130438), (726, 112651), (798, 102487), (847, 96558), (931, 87846), (1078, 75867), (1254, 65219), (1331, 61446), (1463, 55902), (1617, 50578), (1694, 48279), (1862, 43923), (2299, 35574), (2541, 32186), (2662, 30723), (2793, 29282), (2926, 27951), (3234, 25289), (3993, 20482), (4389, 18634), (4598, 17787), (5082, 16093), (5586, 14641), (5929, 13794), (6897, 11858), (7986, 10241), (8778, 9317)]