212216868861

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1\times {\mathrm{743}}^1\times {\mathrm{4217}}^1$

素因数の和:5281

約数の個数: 32

約数和(自身を含む): 287408176128

約数和(自身を除く): 75191307267

約数列:

[1, 3, 107, 211, 321, 633, 743, 2229, 4217, 12651, 22577, 67731, 79501, 156773, 238503, 451219, 470319, 889787, 1353657, 2669361, 3133231, 9399693, 16774711, 50324133, 95207209, 285621627, 335255717, 661111741, 1005767151, 1983335223, 70738956287, 212216868861]

約数ペア:

[(1, 212216868861), (3, 70738956287), (107, 1983335223), (211, 1005767151), (321, 661111741), (633, 335255717), (743, 285621627), (2229, 95207209), (4217, 50324133), (12651, 16774711), (22577, 9399693), (67731, 3133231), (79501, 2669361), (156773, 1353657), (238503, 889787), (451219, 470319)]