77987072

素因数分解:

$2^8\times {\mathrm{31}}^2\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 54

約数和(自身を含む): 161360514

約数和(自身を除く): 83373442

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 317, 496, 634, 961, 992, 1268, 1922, 1984, 2536, 3844, 3968, 5072, 7688, 7936, 9827, 10144, 15376, 19654, 20288, 30752, 39308, 40576, 61504, 78616, 81152, 123008, 157232, 246016, 304637, 314464, 609274, 628928, 1218548, 1257856, 2437096, 2515712, 4874192, 9748384, 19496768, 38993536, 77987072]

約数ペア:

[(1, 77987072), (2, 38993536), (4, 19496768), (8, 9748384), (16, 4874192), (31, 2515712), (32, 2437096), (62, 1257856), (64, 1218548), (124, 628928), (128, 609274), (248, 314464), (256, 304637), (317, 246016), (496, 157232), (634, 123008), (961, 81152), (992, 78616), (1268, 61504), (1922, 40576), (1984, 39308), (2536, 30752), (3844, 20288), (3968, 19654), (5072, 15376), (7688, 10144), (7936, 9827)]