163511988

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{997}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 388980480

約数和(自身を除く): 225468492

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 173, 237, 316, 346, 474, 519, 692, 948, 997, 1038, 1994, 2076, 2991, 3988, 5982, 11964, 13667, 27334, 41001, 54668, 78763, 82002, 157526, 164004, 172481, 236289, 315052, 344962, 472578, 517443, 689924, 945156, 1034886, 2069772, 13625999, 27251998, 40877997, 54503996, 81755994, 163511988]

約数ペア:

[(1, 163511988), (2, 81755994), (3, 54503996), (4, 40877997), (6, 27251998), (12, 13625999), (79, 2069772), (158, 1034886), (173, 945156), (237, 689924), (316, 517443), (346, 472578), (474, 344962), (519, 315052), (692, 236289), (948, 172481), (997, 164004), (1038, 157526), (1994, 82002), (2076, 78763), (2991, 54668), (3988, 41001), (5982, 27334), (11964, 13667)]