538928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2591}}^1$

素因数の和:2612

約数の個数: 20

約数和(自身を含む): 1124928

約数和(自身を除く): 586000

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2591, 5182, 10364, 20728, 33683, 41456, 67366, 134732, 269464, 538928]

約数ペア:

[(1, 538928), (2, 269464), (4, 134732), (8, 67366), (13, 41456), (16, 33683), (26, 20728), (52, 10364), (104, 5182), (208, 2591)]