28788088

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 68290560

約数和(自身を除く): 39502472

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 49, 56, 62, 92, 98, 103, 124, 161, 184, 196, 206, 217, 248, 322, 392, 412, 434, 644, 713, 721, 824, 868, 1127, 1288, 1426, 1442, 1519, 1736, 2254, 2369, 2852, 2884, 3038, 3193, 4508, 4738, 4991, 5047, 5704, 5768, 6076, 6386, 9016, 9476, 9982, 10094, 12152, 12772, 16583, 18952, 19964, 20188, 22351, 25544, 33166, 34937, 39928, 40376, 44702, 66332, 69874, 73439, 89404, 116081, 132664, 139748, 146878, 156457, 178808, 232162, 279496, 293756, 312914, 464324, 514073, 587512, 625828, 928648, 1028146, 1251656, 2056292, 3598511, 4112584, 7197022, 14394044, 28788088]

約数ペア:

[(1, 28788088), (2, 14394044), (4, 7197022), (7, 4112584), (8, 3598511), (14, 2056292), (23, 1251656), (28, 1028146), (31, 928648), (46, 625828), (49, 587512), (56, 514073), (62, 464324), (92, 312914), (98, 293756), (103, 279496), (124, 232162), (161, 178808), (184, 156457), (196, 146878), (206, 139748), (217, 132664), (248, 116081), (322, 89404), (392, 73439), (412, 69874), (434, 66332), (644, 44702), (713, 40376), (721, 39928), (824, 34937), (868, 33166), (1127, 25544), (1288, 22351), (1426, 20188), (1442, 19964), (1519, 18952), (1736, 16583), (2254, 12772), (2369, 12152), (2852, 10094), (2884, 9982), (3038, 9476), (3193, 9016), (4508, 6386), (4738, 6076), (4991, 5768), (5047, 5704)]