26746928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{128591}}^1$

素因数の和:128612

約数の個数: 20

約数和(自身を含む): 55808928

約数和(自身を除く): 29062000

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 128591, 257182, 514364, 1028728, 1671683, 2057456, 3343366, 6686732, 13373464, 26746928]

約数ペア:

[(1, 26746928), (2, 13373464), (4, 6686732), (8, 3343366), (13, 2057456), (16, 1671683), (26, 1028728), (52, 514364), (104, 257182), (208, 128591)]