263471208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1048

約数の個数: 192

約数和(自身を含む): 891972480

約数和(自身を除く): 628501272

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 52, 56, 66, 77, 78, 84, 88, 91, 104, 121, 132, 143, 154, 156, 168, 182, 231, 242, 264, 273, 286, 308, 312, 363, 364, 429, 462, 484, 546, 572, 616, 726, 728, 847, 858, 924, 968, 997, 1001, 1092, 1144, 1452, 1573, 1694, 1716, 1848, 1994, 2002, 2184, 2541, 2904, 2991, 3003, 3146, 3388, 3432, 3988, 4004, 4719, 5082, 5982, 6006, 6292, 6776, 6979, 7976, 8008, 9438, 10164, 10967, 11011, 11964, 12012, 12584, 12961, 13958, 18876, 20328, 20937, 21934, 22022, 23928, 24024, 25922, 27916, 32901, 33033, 37752, 38883, 41874, 43868, 44044, 51844, 55832, 65802, 66066, 76769, 77766, 83748, 87736, 88088, 90727, 103688, 120637, 131604, 132132, 142571, 153538, 155532, 167496, 181454, 230307, 241274, 263208, 264264, 272181, 285142, 307076, 311064, 361911, 362908, 427713, 460614, 482548, 544362, 570284, 614152, 723822, 725816, 844459, 855426, 921228, 965096, 997997, 1088724, 1140568, 1447644, 1568281, 1688918, 1710852, 1842456, 1995994, 2177448, 2533377, 2895288, 2993991, 3136562, 3377836, 3421704, 3991988, 4704843, 5066754, 5987982, 6273124, 6755672, 7983976, 9409686, 10133508, 10977967, 11975964, 12546248, 18819372, 20267016, 21955934, 23951928, 32933901, 37638744, 43911868, 65867802, 87823736, 131735604, 263471208]

約数ペア:

[(1, 263471208), (2, 131735604), (3, 87823736), (4, 65867802), (6, 43911868), (7, 37638744), (8, 32933901), (11, 23951928), (12, 21955934), (13, 20267016), (14, 18819372), (21, 12546248), (22, 11975964), (24, 10977967), (26, 10133508), (28, 9409686), (33, 7983976), (39, 6755672), (42, 6273124), (44, 5987982), (52, 5066754), (56, 4704843), (66, 3991988), (77, 3421704), (78, 3377836), (84, 3136562), (88, 2993991), (91, 2895288), (104, 2533377), (121, 2177448), (132, 1995994), (143, 1842456), (154, 1710852), (156, 1688918), (168, 1568281), (182, 1447644), (231, 1140568), (242, 1088724), (264, 997997), (273, 965096), (286, 921228), (308, 855426), (312, 844459), (363, 725816), (364, 723822), (429, 614152), (462, 570284), (484, 544362), (546, 482548), (572, 460614), (616, 427713), (726, 362908), (728, 361911), (847, 311064), (858, 307076), (924, 285142), (968, 272181), (997, 264264), (1001, 263208), (1092, 241274), (1144, 230307), (1452, 181454), (1573, 167496), (1694, 155532), (1716, 153538), (1848, 142571), (1994, 132132), (2002, 131604), (2184, 120637), (2541, 103688), (2904, 90727), (2991, 88088), (3003, 87736), (3146, 83748), (3388, 77766), (3432, 76769), (3988, 66066), (4004, 65802), (4719, 55832), (5082, 51844), (5982, 44044), (6006, 43868), (6292, 41874), (6776, 38883), (6979, 37752), (7976, 33033), (8008, 32901), (9438, 27916), (10164, 25922), (10967, 24024), (11011, 23928), (11964, 22022), (12012, 21934), (12584, 20937), (12961, 20328), (13958, 18876)]