11691485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 15966720

約数和(自身を除く): 4275235

約数列:

[1, 5, 13, 43, 47, 65, 89, 215, 235, 445, 559, 611, 1157, 2021, 2795, 3055, 3827, 4183, 5785, 10105, 19135, 20915, 26273, 49751, 54379, 131365, 179869, 248755, 271895, 899345, 2338297, 11691485]

約数ペア:

[(1, 11691485), (5, 2338297), (13, 899345), (43, 271895), (47, 248755), (65, 179869), (89, 131365), (215, 54379), (235, 49751), (445, 26273), (559, 20915), (611, 19135), (1157, 10105), (2021, 5785), (2795, 4183), (3055, 3827)]