31506385

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 40037760

約数和(自身を除く): 8531375

約数列:

[1, 5, 31, 79, 83, 155, 395, 415, 961, 2449, 2573, 4805, 6557, 12245, 12865, 32785, 75919, 79763, 203267, 379595, 398815, 1016335, 6301277, 31506385]

約数ペア:

[(1, 31506385), (5, 6301277), (31, 1016335), (79, 398815), (83, 379595), (155, 203267), (395, 79763), (415, 75919), (961, 32785), (2449, 12865), (2573, 12245), (4805, 6557)]