249512562

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{461}}^1$

素因数の和:745

約数の個数: 80

約数和(自身を含む): 605754072

約数和(自身を除く): 356241510

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 257, 351, 461, 514, 702, 771, 922, 1053, 1383, 1542, 2106, 2313, 2766, 3341, 4149, 4626, 5993, 6682, 6939, 8298, 10023, 11986, 12447, 13878, 17979, 20046, 20817, 24894, 30069, 35958, 37341, 41634, 53937, 60138, 74682, 90207, 107874, 118477, 161811, 180414, 236954, 270621, 323622, 355431, 485433, 541242, 710862, 970866, 1066293, 1540201, 2132586, 3080402, 3198879, 4620603, 6397758, 9241206, 9596637, 13861809, 19193274, 27723618, 41585427, 83170854, 124756281, 249512562]

約数ペア:

[(1, 249512562), (2, 124756281), (3, 83170854), (6, 41585427), (9, 27723618), (13, 19193274), (18, 13861809), (26, 9596637), (27, 9241206), (39, 6397758), (54, 4620603), (78, 3198879), (81, 3080402), (117, 2132586), (162, 1540201), (234, 1066293), (257, 970866), (351, 710862), (461, 541242), (514, 485433), (702, 355431), (771, 323622), (922, 270621), (1053, 236954), (1383, 180414), (1542, 161811), (2106, 118477), (2313, 107874), (2766, 90207), (3341, 74682), (4149, 60138), (4626, 53937), (5993, 41634), (6682, 37341), (6939, 35958), (8298, 30069), (10023, 24894), (11986, 20817), (12447, 20046), (13878, 17979)]