78799799

素因数分解:

${\mathrm{13}}^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 20

約数和(自身を含む): 89110080

約数和(自身を除く): 10310281

約数列:

[1, 13, 31, 89, 169, 403, 1157, 2197, 2759, 5239, 15041, 28561, 35867, 68107, 195533, 466271, 885391, 2541929, 6061523, 78799799]

約数ペア:

[(1, 78799799), (13, 6061523), (31, 2541929), (89, 885391), (169, 466271), (403, 195533), (1157, 68107), (2197, 35867), (2759, 28561), (5239, 15041)]