138270356

素因数分解:

$2^2\times 7^2\times {\mathrm{705461}}^1$

素因数の和:705479

約数の個数: 18

約数和(自身を含む): 281479338

約数和(自身を除く): 143208982

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 705461, 1410922, 2821844, 4938227, 9876454, 19752908, 34567589, 69135178, 138270356]

約数ペア:

[(1, 138270356), (2, 69135178), (4, 34567589), (7, 19752908), (14, 9876454), (28, 4938227), (49, 2821844), (98, 1410922), (196, 705461)]