680920164

素因数分解:

$2^2\times 3^2\times {\mathrm{18914449}}^1$

素因数の和:18914459

約数の個数: 18

約数和(自身を含む): 1721214950

約数和(自身を除く): 1040294786

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 18914449, 37828898, 56743347, 75657796, 113486694, 170230041, 226973388, 340460082, 680920164]

約数ペア:

[(1, 680920164), (2, 340460082), (3, 226973388), (4, 170230041), (6, 113486694), (9, 75657796), (12, 56743347), (18, 37828898), (36, 18914449)]