51220039

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 56415744

約数和(自身を除く): 5195705

約数列:

[1, 13, 71, 211, 263, 923, 2743, 3419, 14981, 18673, 55493, 194753, 242749, 721409, 3940003, 51220039]

約数ペア:

[(1, 51220039), (13, 3940003), (71, 721409), (211, 242749), (263, 194753), (923, 55493), (2743, 18673), (3419, 14981)]