281639468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1091}}^1\times {\mathrm{5867}}^1$

素因数の和:6973

約数の個数: 24

約数和(自身を含む): 538259904

約数和(自身を除く): 256620436

約数列:

[1, 2, 4, 11, 22, 44, 1091, 2182, 4364, 5867, 11734, 12001, 23468, 24002, 48004, 64537, 129074, 258148, 6400897, 12801794, 25603588, 70409867, 140819734, 281639468]

約数ペア:

[(1, 281639468), (2, 140819734), (4, 70409867), (11, 25603588), (22, 12801794), (44, 6400897), (1091, 258148), (2182, 129074), (4364, 64537), (5867, 48004), (11734, 24002), (12001, 23468)]