78866517

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 113799168

約数和(自身を除く): 34932651

約数列:

[1, 3, 23, 47, 69, 83, 141, 249, 293, 879, 1081, 1909, 3243, 3901, 5727, 6739, 11703, 13771, 20217, 24319, 41313, 72957, 89723, 269169, 316733, 559337, 950199, 1142993, 1678011, 3428979, 26288839, 78866517]

約数ペア:

[(1, 78866517), (3, 26288839), (23, 3428979), (47, 1678011), (69, 1142993), (83, 950199), (141, 559337), (249, 316733), (293, 269169), (879, 89723), (1081, 72957), (1909, 41313), (3243, 24319), (3901, 20217), (5727, 13771), (6739, 11703)]