87486461.000000000

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{164231}}^1$

素因数の和:164279

約数の個数: 24

約数和(自身を含む): 515031552

約数和(自身を除く): 250291180

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 164231, 328462, 656924, 2135003, 4270006, 5091161, 8540012, 10182322, 20364644, 66185093, 132370186, 264740372]

約数ペア:

[(1, 264740372), (2, 132370186), (4, 66185093), (13, 20364644), (26, 10182322), (31, 8540012), (52, 5091161), (62, 4270006), (124, 2135003), (403, 656924), (806, 328462), (1612, 164231)]