263800576

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2617

約数の個数: 72

約数和(自身を含む): 585597824

約数和(自身を除く): 321797248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 2557, 3224, 3328, 3968, 5114, 6448, 7936, 10228, 12896, 20456, 25792, 33241, 40912, 51584, 66482, 79267, 81824, 103168, 132964, 158534, 163648, 265928, 317068, 327296, 531856, 634136, 654592, 1030471, 1063712, 1268272, 2060942, 2127424, 2536544, 4121884, 4254848, 5073088, 8243768, 8509696, 10146176, 16487536, 20292352, 32975072, 65950144, 131900288, 263800576]

約数ペア:

[(1, 263800576), (2, 131900288), (4, 65950144), (8, 32975072), (13, 20292352), (16, 16487536), (26, 10146176), (31, 8509696), (32, 8243768), (52, 5073088), (62, 4254848), (64, 4121884), (104, 2536544), (124, 2127424), (128, 2060942), (208, 1268272), (248, 1063712), (256, 1030471), (403, 654592), (416, 634136), (496, 531856), (806, 327296), (832, 317068), (992, 265928), (1612, 163648), (1664, 158534), (1984, 132964), (2557, 103168), (3224, 81824), (3328, 79267), (3968, 66482), (5114, 51584), (6448, 40912), (7936, 33241), (10228, 25792), (12896, 20456)]