207978563605

素因数分解:

$5^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1\times {\mathrm{1049}}^1$

素因数の和:2205

約数の個数: 32

約数和(自身を含む): 252237888000

約数和(自身を除く): 44259324395

約数列:

[1, 5, 239, 251, 661, 1049, 1195, 1255, 3305, 5245, 59989, 157979, 165911, 250711, 263299, 299945, 693389, 789895, 829555, 1253555, 1316495, 3466945, 39652729, 62928461, 165719971, 174040639, 198263645, 314642305, 828599855, 870203195, 41595712721, 207978563605]

約数ペア:

[(1, 207978563605), (5, 41595712721), (239, 870203195), (251, 828599855), (661, 314642305), (1049, 198263645), (1195, 174040639), (1255, 165719971), (3305, 62928461), (5245, 39652729), (59989, 3466945), (157979, 1316495), (165911, 1253555), (250711, 829555), (263299, 789895), (299945, 693389)]