85156708

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1809

約数の個数: 72

約数和(自身を含む): 196627200

約数和(自身を除く): 111470492

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1729, 1759, 1862, 2548, 3458, 3518, 3724, 6916, 7036, 12103, 12313, 22867, 24206, 24626, 33421, 45734, 48412, 49252, 66842, 86191, 91468, 133684, 160069, 172382, 233947, 320138, 344764, 434473, 467894, 640276, 868946, 935788, 1120483, 1637629, 1737892, 2240966, 3041311, 3275258, 4481932, 6082622, 6550516, 12165244, 21289177, 42578354, 85156708]

約数ペア:

[(1, 85156708), (2, 42578354), (4, 21289177), (7, 12165244), (13, 6550516), (14, 6082622), (19, 4481932), (26, 3275258), (28, 3041311), (38, 2240966), (49, 1737892), (52, 1637629), (76, 1120483), (91, 935788), (98, 868946), (133, 640276), (182, 467894), (196, 434473), (247, 344764), (266, 320138), (364, 233947), (494, 172382), (532, 160069), (637, 133684), (931, 91468), (988, 86191), (1274, 66842), (1729, 49252), (1759, 48412), (1862, 45734), (2548, 33421), (3458, 24626), (3518, 24206), (3724, 22867), (6916, 12313), (7036, 12103)]