28438385

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{443}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 35228736

約数和(自身を除く): 6790351

約数列:

[1, 5, 37, 185, 347, 443, 1735, 2215, 12839, 16391, 64195, 81955, 153721, 768605, 5687677, 28438385]

約数ペア:

[(1, 28438385), (5, 5687677), (37, 768605), (185, 153721), (347, 81955), (443, 64195), (1735, 16391), (2215, 12839)]