8639885

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 10644480

約数和(自身を除く): 2004595

約数列:

[1, 5, 83, 109, 191, 415, 545, 955, 9047, 15853, 20819, 45235, 79265, 104095, 1727977, 8639885]

約数ペア:

[(1, 8639885), (5, 1727977), (83, 104095), (109, 79265), (191, 45235), (415, 20819), (545, 15853), (955, 9047)]