405562816

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1217}}^1$

素因数の和:1397

約数の個数: 56

約数和(自身を含む): 831591936

約数和(自身を除く): 426029120

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 127, 164, 254, 328, 508, 656, 1016, 1217, 1312, 2032, 2434, 2624, 4064, 4868, 5207, 8128, 9736, 10414, 19472, 20828, 38944, 41656, 49897, 77888, 83312, 99794, 154559, 166624, 199588, 309118, 333248, 399176, 618236, 798352, 1236472, 1596704, 2472944, 3193408, 4945888, 6336919, 9891776, 12673838, 25347676, 50695352, 101390704, 202781408, 405562816]

約数ペア:

[(1, 405562816), (2, 202781408), (4, 101390704), (8, 50695352), (16, 25347676), (32, 12673838), (41, 9891776), (64, 6336919), (82, 4945888), (127, 3193408), (164, 2472944), (254, 1596704), (328, 1236472), (508, 798352), (656, 618236), (1016, 399176), (1217, 333248), (1312, 309118), (2032, 199588), (2434, 166624), (2624, 154559), (4064, 99794), (4868, 83312), (5207, 77888), (8128, 49897), (9736, 41656), (10414, 38944), (19472, 20828)]