1215690005

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{42131}}^1$

素因数の和:42364

約数の個数: 16

約数和(自身を含む): 1516752000

約数和(自身を除く): 301061995

約数列:

[1, 5, 29, 145, 199, 995, 5771, 28855, 42131, 210655, 1221799, 6108995, 8384069, 41920345, 243138001, 1215690005]

約数ペア:

[(1, 1215690005), (5, 243138001), (29, 41920345), (145, 8384069), (199, 6108995), (995, 1221799), (5771, 210655), (28855, 42131)]