890998218

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:310

約数の個数: 120

約数和(自身を含む): 2266095744

約数和(自身を除く): 1375097526

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 31, 33, 54, 62, 66, 81, 93, 99, 127, 162, 186, 198, 254, 279, 297, 341, 381, 558, 594, 682, 762, 837, 891, 1023, 1143, 1397, 1674, 1782, 2046, 2286, 2511, 2794, 3069, 3429, 3937, 4191, 5022, 6138, 6858, 7874, 8382, 9207, 10287, 11811, 12573, 16129, 18414, 20574, 23622, 25146, 27621, 32258, 35433, 37719, 43307, 48387, 55242, 70866, 75438, 86614, 96774, 106299, 113157, 129921, 145161, 177419, 212598, 226314, 259842, 290322, 318897, 354838, 389763, 435483, 499999, 532257, 637794, 779526, 870966, 999998, 1064514, 1169289, 1306449, 1499997, 1596771, 2338578, 2612898, 2999994, 3193542, 3507867, 4499991, 4790313, 5499989, 7015734, 8999982, 9580626, 10999978, 13499973, 14370939, 16499967, 26999946, 28741878, 32999934, 40499919, 49499901, 80999838, 98999802, 148499703, 296999406, 445499109, 890998218]

約数ペア:

[(1, 890998218), (2, 445499109), (3, 296999406), (6, 148499703), (9, 98999802), (11, 80999838), (18, 49499901), (22, 40499919), (27, 32999934), (31, 28741878), (33, 26999946), (54, 16499967), (62, 14370939), (66, 13499973), (81, 10999978), (93, 9580626), (99, 8999982), (127, 7015734), (162, 5499989), (186, 4790313), (198, 4499991), (254, 3507867), (279, 3193542), (297, 2999994), (341, 2612898), (381, 2338578), (558, 1596771), (594, 1499997), (682, 1306449), (762, 1169289), (837, 1064514), (891, 999998), (1023, 870966), (1143, 779526), (1397, 637794), (1674, 532257), (1782, 499999), (2046, 435483), (2286, 389763), (2511, 354838), (2794, 318897), (3069, 290322), (3429, 259842), (3937, 226314), (4191, 212598), (5022, 177419), (6138, 145161), (6858, 129921), (7874, 113157), (8382, 106299), (9207, 96774), (10287, 86614), (11811, 75438), (12573, 70866), (16129, 55242), (18414, 48387), (20574, 43307), (23622, 37719), (25146, 35433), (27621, 32258)]