66668663984

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{691}}^1\times {\mathrm{1151}}^1$

素因数の和:1907

約数の個数: 120

約数和(自身を含む): 144717594624

約数和(自身を除く): 78048930640

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 691, 806, 1151, 1352, 1382, 1612, 2302, 2704, 2764, 3224, 4604, 5239, 5528, 6448, 8983, 9208, 10478, 11056, 14963, 17966, 18416, 20956, 21421, 29926, 35681, 35932, 41912, 42842, 59852, 71362, 71864, 83824, 85684, 116779, 119704, 142724, 143728, 171368, 194519, 233558, 239408, 278473, 285448, 342736, 389038, 463853, 467116, 556946, 570896, 778076, 795341, 927706, 934232, 1113892, 1556152, 1590682, 1855412, 1868464, 2227784, 3112304, 3181364, 3620149, 3710824, 4455568, 6030089, 6362728, 7240298, 7421648, 10339433, 12060178, 12725456, 14480596, 20678866, 24120356, 24655571, 28961192, 41357732, 48240712, 49311142, 57922384, 82715464, 96481424, 98622284, 134412629, 165430928, 197244568, 268825258, 320522423, 394489136, 537650516, 641044846, 1075301032, 1282089692, 2150602064, 2564179384, 4166791499, 5128358768, 8333582998, 16667165996, 33334331992, 66668663984]

約数ペア:

[(1, 66668663984), (2, 33334331992), (4, 16667165996), (8, 8333582998), (13, 5128358768), (16, 4166791499), (26, 2564179384), (31, 2150602064), (52, 1282089692), (62, 1075301032), (104, 641044846), (124, 537650516), (169, 394489136), (208, 320522423), (248, 268825258), (338, 197244568), (403, 165430928), (496, 134412629), (676, 98622284), (691, 96481424), (806, 82715464), (1151, 57922384), (1352, 49311142), (1382, 48240712), (1612, 41357732), (2302, 28961192), (2704, 24655571), (2764, 24120356), (3224, 20678866), (4604, 14480596), (5239, 12725456), (5528, 12060178), (6448, 10339433), (8983, 7421648), (9208, 7240298), (10478, 6362728), (11056, 6030089), (14963, 4455568), (17966, 3710824), (18416, 3620149), (20956, 3181364), (21421, 3112304), (29926, 2227784), (35681, 1868464), (35932, 1855412), (41912, 1590682), (42842, 1556152), (59852, 1113892), (71362, 934232), (71864, 927706), (83824, 795341), (85684, 778076), (116779, 570896), (119704, 556946), (142724, 467116), (143728, 463853), (171368, 389038), (194519, 342736), (233558, 285448), (239408, 278473)]