71541379

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 92252160

約数和(自身を除く): 20710781

約数列:

[1, 7, 13, 43, 47, 91, 301, 329, 389, 559, 611, 2021, 2723, 3913, 4277, 5057, 14147, 16727, 18283, 26273, 35399, 117089, 127981, 183911, 217451, 237679, 786169, 1522157, 1663753, 5503183, 10220197, 71541379]

約数ペア:

[(1, 71541379), (7, 10220197), (13, 5503183), (43, 1663753), (47, 1522157), (91, 786169), (301, 237679), (329, 217451), (389, 183911), (559, 127981), (611, 117089), (2021, 35399), (2723, 26273), (3913, 18283), (4277, 16727), (5057, 14147)]