266385728

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19181}}^1$

素因数の和:19231

約数の個数: 56

約数和(自身を含む): 623645184

約数和(自身を除く): 357259456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 19181, 38362, 76724, 134267, 153448, 268534, 306896, 537068, 594611, 613792, 1074136, 1189222, 1227584, 2148272, 2378444, 4162277, 4296544, 4756888, 8324554, 8593088, 9513776, 16649108, 19027552, 33298216, 38055104, 66596432, 133192864, 266385728]

約数ペア:

[(1, 266385728), (2, 133192864), (4, 66596432), (7, 38055104), (8, 33298216), (14, 19027552), (16, 16649108), (28, 9513776), (31, 8593088), (32, 8324554), (56, 4756888), (62, 4296544), (64, 4162277), (112, 2378444), (124, 2148272), (217, 1227584), (224, 1189222), (248, 1074136), (434, 613792), (448, 594611), (496, 537068), (868, 306896), (992, 268534), (1736, 153448), (1984, 134267), (3472, 76724), (6944, 38362), (13888, 19181)]