71348836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20479}}^1$

素因数の和:20563

約数の個数: 24

約数和(自身を含む): 136478720

約数和(自身を除く): 65129884

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 20479, 40958, 81916, 266227, 532454, 1064908, 1372093, 2744186, 5488372, 17837209, 35674418, 71348836]

約数ペア:

[(1, 71348836), (2, 35674418), (4, 17837209), (13, 5488372), (26, 2744186), (52, 1372093), (67, 1064908), (134, 532454), (268, 266227), (871, 81916), (1742, 40958), (3484, 20479)]