25686328

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{487}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 50947200

約数和(自身を除く): 25260872

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 347, 487, 694, 974, 1388, 1948, 2776, 3896, 6593, 9253, 13186, 18506, 26372, 37012, 52744, 74024, 168989, 337978, 675956, 1351912, 3210791, 6421582, 12843164, 25686328]

約数ペア:

[(1, 25686328), (2, 12843164), (4, 6421582), (8, 3210791), (19, 1351912), (38, 675956), (76, 337978), (152, 168989), (347, 74024), (487, 52744), (694, 37012), (974, 26372), (1388, 18506), (1948, 13186), (2776, 9253), (3896, 6593)]