258788456495

素因数分解:

$5^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1\times {\mathrm{668609}}^1$

素因数の和:669202

約数の個数: 16

約数和(自身を含む): 312909480000

約数和(自身を除く): 54121023505

約数列:

[1, 5, 199, 389, 995, 1945, 77411, 387055, 668609, 3343045, 133053191, 260088901, 665265955, 1300444505, 51757691299, 258788456495]

約数ペア:

[(1, 258788456495), (5, 51757691299), (199, 1300444505), (389, 665265955), (995, 260088901), (1945, 133053191), (77411, 3343045), (387055, 668609)]