28691855

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1471}}^1$

素因数の和:1606

約数の個数: 16

約数和(自身を含む): 35610624

約数和(自身を除く): 6918769

約数列:

[1, 5, 47, 83, 235, 415, 1471, 3901, 7355, 19505, 69137, 122093, 345685, 610465, 5738371, 28691855]

約数ペア:

[(1, 28691855), (5, 5738371), (47, 610465), (83, 345685), (235, 122093), (415, 69137), (1471, 19505), (3901, 7355)]