51989945

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47917}}^1$

素因数の和:47960

約数の個数: 16

約数和(自身を含む): 73602048

約数和(自身を除く): 21612103

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 47917, 239585, 335419, 1485427, 1677095, 7427135, 10397989, 51989945]

約数ペア:

[(1, 51989945), (5, 10397989), (7, 7427135), (31, 1677095), (35, 1485427), (155, 335419), (217, 239585), (1085, 47917)]