25931152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{124669}}^1$

素因数の和:124690

約数の個数: 20

約数和(自身を含む): 54106780

約数和(自身を除く): 28175628

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 124669, 249338, 498676, 997352, 1620697, 1994704, 3241394, 6482788, 12965576, 25931152]

約数ペア:

[(1, 25931152), (2, 12965576), (4, 6482788), (8, 3241394), (13, 1994704), (16, 1620697), (26, 997352), (52, 498676), (104, 249338), (208, 124669)]