16398725

素因数分解:

$5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1129}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 23540160

約数和(自身を除く): 7141435

約数列:

[1, 5, 7, 25, 35, 83, 175, 415, 581, 1129, 2075, 2905, 5645, 7903, 14525, 28225, 39515, 93707, 197575, 468535, 655949, 2342675, 3279745, 16398725]

約数ペア:

[(1, 16398725), (5, 3279745), (7, 2342675), (25, 655949), (35, 468535), (83, 197575), (175, 93707), (415, 39515), (581, 28225), (1129, 14525), (2075, 7903), (2905, 5645)]