128421874

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{482789}}^1$

素因数の和:482817

約数の個数: 16

約数和(自身を含む): 231739200

約数和(自身を除く): 103317326

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 482789, 965578, 3379523, 6759046, 9172991, 18345982, 64210937, 128421874]

約数ペア:

[(1, 128421874), (2, 64210937), (7, 18345982), (14, 9172991), (19, 6759046), (38, 3379523), (133, 965578), (266, 482789)]