203478208

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:497

約数の個数: 56

約数和(自身を含む): 412851600

約数和(自身を除く): 209373392

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 139, 178, 257, 278, 356, 514, 556, 712, 1028, 1112, 1424, 2056, 2224, 2848, 4112, 4448, 5696, 8224, 8896, 12371, 16448, 22873, 24742, 35723, 45746, 49484, 71446, 91492, 98968, 142892, 182984, 197936, 285784, 365968, 395872, 571568, 731936, 791744, 1143136, 1463872, 2286272, 3179347, 6358694, 12717388, 25434776, 50869552, 101739104, 203478208]

約数ペア:

[(1, 203478208), (2, 101739104), (4, 50869552), (8, 25434776), (16, 12717388), (32, 6358694), (64, 3179347), (89, 2286272), (139, 1463872), (178, 1143136), (257, 791744), (278, 731936), (356, 571568), (514, 395872), (556, 365968), (712, 285784), (1028, 197936), (1112, 182984), (1424, 142892), (2056, 98968), (2224, 91492), (2848, 71446), (4112, 49484), (4448, 45746), (5696, 35723), (8224, 24742), (8896, 22873), (12371, 16448)]