221566200149

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1\times {\mathrm{4051}}^1$

素因数の和:5217

約数の個数: 32

約数和(自身を含む): 262622502912

約数和(自身を除く): 41056302763

約数列:

[1, 7, 31, 217, 307, 821, 2149, 4051, 5747, 9517, 25451, 28357, 66619, 125581, 178157, 252047, 879067, 1243657, 1764329, 3325871, 7813457, 8705599, 23281097, 38553367, 54694199, 103102001, 269873569, 721714007, 1021042397, 7147296779, 31652314307, 221566200149]

約数ペア:

[(1, 221566200149), (7, 31652314307), (31, 7147296779), (217, 1021042397), (307, 721714007), (821, 269873569), (2149, 103102001), (4051, 54694199), (5747, 38553367), (9517, 23281097), (25451, 8705599), (28357, 7813457), (66619, 3325871), (125581, 1764329), (178157, 1243657), (252047, 879067)]