68884790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17093}}^1$

素因数の和:17144

約数の個数: 32

約数和(自身を含む): 137846016

約数和(自身を除く): 68961226

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 17093, 34186, 85465, 170930, 222209, 444418, 529883, 1059766, 1111045, 2222090, 2649415, 5298830, 6888479, 13776958, 34442395, 68884790]

約数ペア:

[(1, 68884790), (2, 34442395), (5, 13776958), (10, 6888479), (13, 5298830), (26, 2649415), (31, 2222090), (62, 1111045), (65, 1059766), (130, 529883), (155, 444418), (310, 222209), (403, 170930), (806, 85465), (2015, 34186), (4030, 17093)]