17979661672

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1\times {\mathrm{2633}}^1$

素因数の和:4706

約数の個数: 64

約数和(自身を含む): 39193920000

約数和(自身を除く): 21214258328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 1999, 2633, 3416, 3998, 5266, 7996, 10532, 13993, 15992, 18431, 21064, 27986, 36862, 55972, 73724, 111944, 121939, 147448, 160613, 243878, 321226, 487756, 642452, 853573, 975512, 1124291, 1284904, 1707146, 2248582, 3414292, 4497164, 5263367, 6828584, 8994328, 10526734, 21053468, 36843569, 42106936, 73687138, 147374276, 294748552, 321065387, 642130774, 1284261548, 2247457709, 2568523096, 4494915418, 8989830836, 17979661672]

約数ペア:

[(1, 17979661672), (2, 8989830836), (4, 4494915418), (7, 2568523096), (8, 2247457709), (14, 1284261548), (28, 642130774), (56, 321065387), (61, 294748552), (122, 147374276), (244, 73687138), (427, 42106936), (488, 36843569), (854, 21053468), (1708, 10526734), (1999, 8994328), (2633, 6828584), (3416, 5263367), (3998, 4497164), (5266, 3414292), (7996, 2248582), (10532, 1707146), (13993, 1284904), (15992, 1124291), (18431, 975512), (21064, 853573), (27986, 642452), (36862, 487756), (55972, 321226), (73724, 243878), (111944, 160613), (121939, 147448)]