656909838

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16417}}^1$

素因数の和:16463

約数の個数: 80

約数和(自身を含む): 1668725520

約数和(自身を除く): 1011815682

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 81, 114, 117, 162, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1053, 1482, 1539, 2106, 2223, 3078, 4446, 6669, 13338, 16417, 20007, 32834, 40014, 49251, 98502, 147753, 213421, 295506, 311923, 426842, 443259, 623846, 640263, 886518, 935769, 1280526, 1329777, 1871538, 1920789, 2659554, 2807307, 3841578, 4054999, 5614614, 5762367, 8109998, 8421921, 11524734, 12164997, 16843842, 17287101, 24329994, 25265763, 34574202, 36494991, 50531526, 72989982, 109484973, 218969946, 328454919, 656909838]

約数ペア:

[(1, 656909838), (2, 328454919), (3, 218969946), (6, 109484973), (9, 72989982), (13, 50531526), (18, 36494991), (19, 34574202), (26, 25265763), (27, 24329994), (38, 17287101), (39, 16843842), (54, 12164997), (57, 11524734), (78, 8421921), (81, 8109998), (114, 5762367), (117, 5614614), (162, 4054999), (171, 3841578), (234, 2807307), (247, 2659554), (342, 1920789), (351, 1871538), (494, 1329777), (513, 1280526), (702, 935769), (741, 886518), (1026, 640263), (1053, 623846), (1482, 443259), (1539, 426842), (2106, 311923), (2223, 295506), (3078, 213421), (4446, 147753), (6669, 98502), (13338, 49251), (16417, 40014), (20007, 32834)]