257657868

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:229

約数の個数: 192

約数和(自身を含む): 767692800

約数和(自身を除く): 510034932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 79, 92, 101, 108, 117, 138, 156, 158, 202, 207, 234, 237, 276, 299, 303, 316, 351, 404, 414, 468, 474, 598, 606, 621, 702, 711, 828, 897, 909, 948, 1027, 1196, 1212, 1242, 1313, 1404, 1422, 1794, 1817, 1818, 2054, 2133, 2323, 2484, 2626, 2691, 2727, 2844, 3081, 3588, 3634, 3636, 3939, 4108, 4266, 4646, 5252, 5382, 5451, 5454, 6162, 6969, 7268, 7878, 7979, 8073, 8532, 9243, 9292, 10764, 10902, 10908, 11817, 12324, 13938, 15756, 15958, 16146, 16353, 18486, 20907, 21804, 23621, 23634, 23937, 27729, 27876, 30199, 31916, 32292, 32706, 35451, 36972, 41814, 47242, 47268, 47874, 49059, 55458, 60398, 62721, 65412, 70863, 70902, 71811, 83628, 90597, 94484, 95748, 98118, 103727, 110916, 120796, 125442, 141726, 141804, 143622, 181194, 183517, 196236, 207454, 212589, 215433, 250884, 271791, 283452, 287244, 311181, 362388, 367034, 414908, 425178, 430866, 543582, 550551, 622362, 637767, 734068, 815373, 850356, 861732, 933543, 1087164, 1101102, 1244724, 1275534, 1630746, 1651653, 1867086, 2202204, 2385721, 2551068, 2800629, 3261492, 3303306, 3734172, 4771442, 4954959, 5601258, 6606612, 7157163, 9542884, 9909918, 11202516, 14314326, 19819836, 21471489, 28628652, 42942978, 64414467, 85885956, 128828934, 257657868]

約数ペア:

[(1, 257657868), (2, 128828934), (3, 85885956), (4, 64414467), (6, 42942978), (9, 28628652), (12, 21471489), (13, 19819836), (18, 14314326), (23, 11202516), (26, 9909918), (27, 9542884), (36, 7157163), (39, 6606612), (46, 5601258), (52, 4954959), (54, 4771442), (69, 3734172), (78, 3303306), (79, 3261492), (92, 2800629), (101, 2551068), (108, 2385721), (117, 2202204), (138, 1867086), (156, 1651653), (158, 1630746), (202, 1275534), (207, 1244724), (234, 1101102), (237, 1087164), (276, 933543), (299, 861732), (303, 850356), (316, 815373), (351, 734068), (404, 637767), (414, 622362), (468, 550551), (474, 543582), (598, 430866), (606, 425178), (621, 414908), (702, 367034), (711, 362388), (828, 311181), (897, 287244), (909, 283452), (948, 271791), (1027, 250884), (1196, 215433), (1212, 212589), (1242, 207454), (1313, 196236), (1404, 183517), (1422, 181194), (1794, 143622), (1817, 141804), (1818, 141726), (2054, 125442), (2133, 120796), (2323, 110916), (2484, 103727), (2626, 98118), (2691, 95748), (2727, 94484), (2844, 90597), (3081, 83628), (3588, 71811), (3634, 70902), (3636, 70863), (3939, 65412), (4108, 62721), (4266, 60398), (4646, 55458), (5252, 49059), (5382, 47874), (5451, 47268), (5454, 47242), (6162, 41814), (6969, 36972), (7268, 35451), (7878, 32706), (7979, 32292), (8073, 31916), (8532, 30199), (9243, 27876), (9292, 27729), (10764, 23937), (10902, 23634), (10908, 23621), (11817, 21804), (12324, 20907), (13938, 18486), (15756, 16353), (15958, 16146)]