78857356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 151351200

約数和(自身を除く): 72493844

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 149, 172, 181, 298, 362, 596, 724, 731, 1462, 2533, 2924, 3077, 5066, 6154, 6407, 7783, 10132, 12308, 12814, 15566, 25628, 26969, 31132, 53938, 107876, 108919, 132311, 217838, 264622, 435676, 458473, 529244, 916946, 1159667, 1833892, 2319334, 4638668, 19714339, 39428678, 78857356]

約数ペア:

[(1, 78857356), (2, 39428678), (4, 19714339), (17, 4638668), (34, 2319334), (43, 1833892), (68, 1159667), (86, 916946), (149, 529244), (172, 458473), (181, 435676), (298, 264622), (362, 217838), (596, 132311), (724, 108919), (731, 107876), (1462, 53938), (2533, 31132), (2924, 26969), (3077, 25628), (5066, 15566), (6154, 12814), (6407, 12308), (7783, 10132)]