489336211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 669247488

約数和(自身を除く): 179911277

約数列:

[1, 7, 13, 17, 37, 83, 91, 103, 119, 221, 259, 481, 581, 629, 721, 1079, 1339, 1411, 1547, 1751, 3071, 3367, 3811, 4403, 7553, 8177, 8549, 9373, 9877, 12257, 18343, 21497, 22763, 26677, 39923, 49543, 52207, 57239, 59843, 64787, 111137, 128401, 145333, 159341, 279461, 316313, 346801, 365449, 453509, 678691, 777959, 842231, 1017331, 1889329, 2214191, 4112069, 4750837, 5377321, 5895617, 13225303, 28784483, 37641247, 69905173, 489336211]

約数ペア:

[(1, 489336211), (7, 69905173), (13, 37641247), (17, 28784483), (37, 13225303), (83, 5895617), (91, 5377321), (103, 4750837), (119, 4112069), (221, 2214191), (259, 1889329), (481, 1017331), (581, 842231), (629, 777959), (721, 678691), (1079, 453509), (1339, 365449), (1411, 346801), (1547, 316313), (1751, 279461), (3071, 159341), (3367, 145333), (3811, 128401), (4403, 111137), (7553, 64787), (8177, 59843), (8549, 57239), (9373, 52207), (9877, 49543), (12257, 39923), (18343, 26677), (21497, 22763)]