28058317

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 34254528

約数和(自身を除く): 6196211

約数列:

[1, 7, 31, 43, 97, 217, 301, 679, 961, 1333, 3007, 4171, 6727, 9331, 21049, 29197, 41323, 93217, 129301, 289261, 652519, 905107, 4008331, 28058317]

約数ペア:

[(1, 28058317), (7, 4008331), (31, 905107), (43, 652519), (97, 289261), (217, 129301), (301, 93217), (679, 41323), (961, 29197), (1333, 21049), (3007, 9331), (4171, 6727)]