397715908

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 752338944

約数和(自身を除く): 354623036

約数列:

[1, 2, 4, 23, 41, 46, 82, 92, 97, 164, 194, 388, 943, 1087, 1886, 2174, 2231, 3772, 3977, 4348, 4462, 7954, 8924, 15908, 25001, 44567, 50002, 89134, 91471, 100004, 105439, 178268, 182942, 210878, 365884, 421756, 1025041, 2050082, 2425097, 4100164, 4322999, 4850194, 8645998, 9700388, 17291996, 99428977, 198857954, 397715908]

約数ペア:

[(1, 397715908), (2, 198857954), (4, 99428977), (23, 17291996), (41, 9700388), (46, 8645998), (82, 4850194), (92, 4322999), (97, 4100164), (164, 2425097), (194, 2050082), (388, 1025041), (943, 421756), (1087, 365884), (1886, 210878), (2174, 182942), (2231, 178268), (3772, 105439), (3977, 100004), (4348, 91471), (4462, 89134), (7954, 50002), (8924, 44567), (15908, 25001)]