51820072

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 99700200

約数和(自身を除く): 47880128

約数列:

[1, 2, 4, 8, 73, 89, 146, 178, 292, 356, 584, 712, 997, 1994, 3988, 6497, 7976, 12994, 25988, 51976, 72781, 88733, 145562, 177466, 291124, 354932, 582248, 709864, 6477509, 12955018, 25910036, 51820072]

約数ペア:

[(1, 51820072), (2, 25910036), (4, 12955018), (8, 6477509), (73, 709864), (89, 582248), (146, 354932), (178, 291124), (292, 177466), (356, 145562), (584, 88733), (712, 72781), (997, 51976), (1994, 25988), (3988, 12994), (6497, 7976)]