9900805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1171}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 12657600

約数和(自身を除く): 2756795

約数列:

[1, 5, 19, 89, 95, 445, 1171, 1691, 5855, 8455, 22249, 104219, 111245, 521095, 1980161, 9900805]

約数ペア:

[(1, 9900805), (5, 1980161), (19, 521095), (89, 111245), (95, 104219), (445, 22249), (1171, 8455), (1691, 5855)]