51498928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{247591}}^1$

素因数の和:247612

約数の個数: 20

約数和(自身を含む): 107454928

約数和(自身を除く): 55956000

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 247591, 495182, 990364, 1980728, 3218683, 3961456, 6437366, 12874732, 25749464, 51498928]

約数ペア:

[(1, 51498928), (2, 25749464), (4, 12874732), (8, 6437366), (13, 3961456), (16, 3218683), (26, 1980728), (52, 990364), (104, 495182), (208, 247591)]