820071568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{4967}}^1$

素因数の和:5599

約数の個数: 40

約数和(自身を含む): 1685463552

約数和(自身を除く): 865391984

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 607, 1214, 2428, 4856, 4967, 9712, 9934, 10319, 19868, 20638, 39736, 41276, 79472, 82552, 84439, 165104, 168878, 337756, 675512, 1351024, 3014969, 6029938, 12059876, 24119752, 48239504, 51254473, 102508946, 205017892, 410035784, 820071568]

約数ペア:

[(1, 820071568), (2, 410035784), (4, 205017892), (8, 102508946), (16, 51254473), (17, 48239504), (34, 24119752), (68, 12059876), (136, 6029938), (272, 3014969), (607, 1351024), (1214, 675512), (2428, 337756), (4856, 168878), (4967, 165104), (9712, 84439), (9934, 82552), (10319, 79472), (19868, 41276), (20638, 39736)]