728994448

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4861}}^1$

素因数の和:4992

約数の個数: 80

約数和(自身を含む): 1755609856

約数和(自身を除く): 1026615408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 103, 104, 112, 182, 206, 208, 364, 412, 721, 728, 824, 1339, 1442, 1456, 1648, 2678, 2884, 4861, 5356, 5768, 9373, 9722, 10712, 11536, 18746, 19444, 21424, 34027, 37492, 38888, 63193, 68054, 74984, 77776, 126386, 136108, 149968, 252772, 272216, 442351, 500683, 505544, 544432, 884702, 1001366, 1011088, 1769404, 2002732, 3504781, 3538808, 4005464, 6508879, 7009562, 7077616, 8010928, 13017758, 14019124, 26035516, 28038248, 45562153, 52071032, 56076496, 91124306, 104142064, 182248612, 364497224, 728994448]

約数ペア:

[(1, 728994448), (2, 364497224), (4, 182248612), (7, 104142064), (8, 91124306), (13, 56076496), (14, 52071032), (16, 45562153), (26, 28038248), (28, 26035516), (52, 14019124), (56, 13017758), (91, 8010928), (103, 7077616), (104, 7009562), (112, 6508879), (182, 4005464), (206, 3538808), (208, 3504781), (364, 2002732), (412, 1769404), (721, 1011088), (728, 1001366), (824, 884702), (1339, 544432), (1442, 505544), (1456, 500683), (1648, 442351), (2678, 272216), (2884, 252772), (4861, 149968), (5356, 136108), (5768, 126386), (9373, 77776), (9722, 74984), (10712, 68054), (11536, 63193), (18746, 38888), (19444, 37492), (21424, 34027)]