138968908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{86209}}^1$

素因数の和:86257

約数の個数: 24

約数和(自身を含む): 270354560

約数和(自身を除く): 131385652

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 86209, 172418, 344836, 1120717, 2241434, 2672479, 4482868, 5344958, 10689916, 34742227, 69484454, 138968908]

約数ペア:

[(1, 138968908), (2, 69484454), (4, 34742227), (13, 10689916), (26, 5344958), (31, 4482868), (52, 2672479), (62, 2241434), (124, 1120717), (403, 344836), (806, 172418), (1612, 86209)]