1257781969

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{22741}}^1$

素因数の和:22872

約数の個数: 16

約数和(自身を含む): 1375436160

約数和(自身を除く): 117654191

約数列:

[1, 19, 41, 71, 779, 1349, 2911, 22741, 55309, 432079, 932381, 1614611, 17715239, 30677609, 66199051, 1257781969]

約数ペア:

[(1, 1257781969), (19, 66199051), (41, 30677609), (71, 17715239), (779, 1614611), (1349, 932381), (2911, 432079), (22741, 55309)]