281915634

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:752

約数の個数: 128

約数和(自身を含む): 768595968

約数和(自身を除く): 486680334

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 73, 77, 78, 91, 143, 146, 154, 182, 219, 231, 273, 286, 429, 438, 462, 511, 546, 643, 803, 858, 949, 1001, 1022, 1286, 1533, 1606, 1898, 1929, 2002, 2409, 2847, 3003, 3066, 3858, 4501, 4818, 5621, 5694, 6006, 6643, 7073, 8359, 9002, 10439, 11242, 13286, 13503, 14146, 16718, 16863, 19929, 20878, 21219, 25077, 27006, 31317, 33726, 39858, 42438, 46939, 49511, 50154, 58513, 62634, 73073, 91949, 93878, 99022, 117026, 140817, 146146, 148533, 175539, 183898, 219219, 275847, 281634, 297066, 328573, 351078, 438438, 516329, 551694, 610207, 643643, 657146, 985719, 1032658, 1220414, 1287286, 1548987, 1830621, 1930929, 1971438, 3097974, 3614303, 3661242, 3861858, 4271449, 6712277, 7228606, 8542898, 10842909, 12814347, 13424554, 20136831, 21685818, 25628694, 40273662, 46985939, 93971878, 140957817, 281915634]

約数ペア:

[(1, 281915634), (2, 140957817), (3, 93971878), (6, 46985939), (7, 40273662), (11, 25628694), (13, 21685818), (14, 20136831), (21, 13424554), (22, 12814347), (26, 10842909), (33, 8542898), (39, 7228606), (42, 6712277), (66, 4271449), (73, 3861858), (77, 3661242), (78, 3614303), (91, 3097974), (143, 1971438), (146, 1930929), (154, 1830621), (182, 1548987), (219, 1287286), (231, 1220414), (273, 1032658), (286, 985719), (429, 657146), (438, 643643), (462, 610207), (511, 551694), (546, 516329), (643, 438438), (803, 351078), (858, 328573), (949, 297066), (1001, 281634), (1022, 275847), (1286, 219219), (1533, 183898), (1606, 175539), (1898, 148533), (1929, 146146), (2002, 140817), (2409, 117026), (2847, 99022), (3003, 93878), (3066, 91949), (3858, 73073), (4501, 62634), (4818, 58513), (5621, 50154), (5694, 49511), (6006, 46939), (6643, 42438), (7073, 39858), (8359, 33726), (9002, 31317), (10439, 27006), (11242, 25077), (13286, 21219), (13503, 20878), (14146, 19929), (16718, 16863)]