393308656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 854334208

約数和(自身を除く): 461025552

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 181, 208, 248, 337, 362, 403, 496, 674, 724, 806, 1348, 1448, 1612, 2353, 2696, 2896, 3224, 4381, 4706, 5392, 5611, 6448, 8762, 9412, 10447, 11222, 17524, 18824, 20894, 22444, 35048, 37648, 41788, 44888, 60997, 70096, 72943, 83576, 89776, 121994, 135811, 145886, 167152, 243988, 271622, 291772, 487976, 543244, 583544, 792961, 975952, 1086488, 1167088, 1585922, 1890907, 2172976, 3171844, 3781814, 6343688, 7563628, 12687376, 15127256, 24581791, 30254512, 49163582, 98327164, 196654328, 393308656]

約数ペア:

[(1, 393308656), (2, 196654328), (4, 98327164), (8, 49163582), (13, 30254512), (16, 24581791), (26, 15127256), (31, 12687376), (52, 7563628), (62, 6343688), (104, 3781814), (124, 3171844), (181, 2172976), (208, 1890907), (248, 1585922), (337, 1167088), (362, 1086488), (403, 975952), (496, 792961), (674, 583544), (724, 543244), (806, 487976), (1348, 291772), (1448, 271622), (1612, 243988), (2353, 167152), (2696, 145886), (2896, 135811), (3224, 121994), (4381, 89776), (4706, 83576), (5392, 72943), (5611, 70096), (6448, 60997), (8762, 44888), (9412, 41788), (10447, 37648), (11222, 35048), (17524, 22444), (18824, 20894)]