257617542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1307}}^1$

素因数の和:1370

約数の個数: 96

約数和(自身を含む): 669779712

約数和(自身を除く): 412162170

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 361, 399, 494, 546, 722, 741, 798, 1083, 1307, 1482, 1729, 2166, 2527, 2614, 3458, 3921, 4693, 5054, 5187, 7581, 7842, 9149, 9386, 10374, 14079, 15162, 16991, 18298, 24833, 27447, 28158, 32851, 33982, 49666, 50973, 54894, 65702, 74499, 98553, 101946, 118937, 148998, 173831, 197106, 237874, 322829, 347662, 356811, 471827, 521493, 645658, 713622, 943654, 968487, 1042986, 1415481, 1936974, 2259803, 2830962, 3302789, 4519606, 6133751, 6605578, 6779409, 9908367, 12267502, 13558818, 18401253, 19816734, 36802506, 42936257, 85872514, 128808771, 257617542]

約数ペア:

[(1, 257617542), (2, 128808771), (3, 85872514), (6, 42936257), (7, 36802506), (13, 19816734), (14, 18401253), (19, 13558818), (21, 12267502), (26, 9908367), (38, 6779409), (39, 6605578), (42, 6133751), (57, 4519606), (78, 3302789), (91, 2830962), (114, 2259803), (133, 1936974), (182, 1415481), (247, 1042986), (266, 968487), (273, 943654), (361, 713622), (399, 645658), (494, 521493), (546, 471827), (722, 356811), (741, 347662), (798, 322829), (1083, 237874), (1307, 197106), (1482, 173831), (1729, 148998), (2166, 118937), (2527, 101946), (2614, 98553), (3458, 74499), (3921, 65702), (4693, 54894), (5054, 50973), (5187, 49666), (7581, 33982), (7842, 32851), (9149, 28158), (9386, 27447), (10374, 24833), (14079, 18298), (15162, 16991)]