16685905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1297}}^1$

素因数の和:1416

約数の個数: 16

約数和(自身を含む): 20934144

約数和(自身を除く): 4248239

約数列:

[1, 5, 31, 83, 155, 415, 1297, 2573, 6485, 12865, 40207, 107651, 201035, 538255, 3337181, 16685905]

約数ペア:

[(1, 16685905), (5, 3337181), (31, 538255), (83, 201035), (155, 107651), (415, 40207), (1297, 12865), (2573, 6485)]