66917855

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{751}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 81865728

約数和(自身を除く): 14947873

約数列:

[1, 5, 71, 251, 355, 751, 1255, 3755, 17821, 53321, 89105, 188501, 266605, 942505, 13383571, 66917855]

約数ペア:

[(1, 66917855), (5, 13383571), (71, 942505), (251, 266605), (355, 188501), (751, 89105), (1255, 53321), (3755, 17821)]