1231872890

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1090153}}^1$

素因数の和:1090273

約数の個数: 16

約数和(自身を含む): 2236996008

約数和(自身を除く): 1005123118

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 1090153, 2180306, 5450765, 10901530, 123187289, 246374578, 615936445, 1231872890]

約数ペア:

[(1, 1231872890), (2, 615936445), (5, 246374578), (10, 123187289), (113, 10901530), (226, 5450765), (565, 2180306), (1130, 1090153)]