81325745

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{1277}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 100113408

約数和(自身を除く): 18787663

約数列:

[1, 5, 47, 235, 271, 1277, 1355, 6385, 12737, 60019, 63685, 300095, 346067, 1730335, 16265149, 81325745]

約数ペア:

[(1, 81325745), (5, 16265149), (47, 1730335), (235, 346067), (271, 300095), (1277, 63685), (1355, 60019), (6385, 12737)]