1731820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 3670128

約数和(自身を除く): 1938308

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 661, 1310, 1322, 2620, 2644, 3305, 6610, 13220, 86591, 173182, 346364, 432955, 865910, 1731820]

約数ペア:

[(1, 1731820), (2, 865910), (4, 432955), (5, 346364), (10, 173182), (20, 86591), (131, 13220), (262, 6610), (524, 3305), (655, 2644), (661, 2620), (1310, 1322)]