51013456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245257}}^1$

素因数の和:245278

約数の個数: 20

約数和(自身を含む): 106441972

約数和(自身を除く): 55428516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245257, 490514, 981028, 1962056, 3188341, 3924112, 6376682, 12753364, 25506728, 51013456]

約数ペア:

[(1, 51013456), (2, 25506728), (4, 12753364), (8, 6376682), (13, 3924112), (16, 3188341), (26, 1962056), (52, 981028), (104, 490514), (208, 245257)]