2201390678

素因数分解:

$2^1\times {\mathrm{389}}^1\times {\mathrm{521}}^1\times {\mathrm{5431}}^1$

素因数の和:6343

約数の個数: 16

約数和(自身を含む): 3317539680

約数和(自身を除く): 1116149002

約数列:

[1, 2, 389, 521, 778, 1042, 5431, 10862, 202669, 405338, 2112659, 2829551, 4225318, 5659102, 1100695339, 2201390678]

約数ペア:

[(1, 2201390678), (2, 1100695339), (389, 5659102), (521, 4225318), (778, 2829551), (1042, 2112659), (5431, 405338), (10862, 202669)]