28129036

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41611}}^1$

素因数の和:41641

約数の個数: 18

約数和(自身を含む): 53304972

約数和(自身を除く): 25175936

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 41611, 83222, 166444, 540943, 1081886, 2163772, 7032259, 14064518, 28129036]

約数ペア:

[(1, 28129036), (2, 14064518), (4, 7032259), (13, 2163772), (26, 1081886), (52, 540943), (169, 166444), (338, 83222), (676, 41611)]