51845456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{249257}}^1$

素因数の和:249278

約数の個数: 20

約数和(自身を含む): 108177972

約数和(自身を除く): 56332516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 249257, 498514, 997028, 1994056, 3240341, 3988112, 6480682, 12961364, 25922728, 51845456]

約数ペア:

[(1, 51845456), (2, 25922728), (4, 12961364), (8, 6480682), (13, 3988112), (16, 3240341), (26, 1994056), (52, 997028), (104, 498514), (208, 249257)]