81695815

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{1153}}^1$

素因数の和:1578

約数の個数: 16

約数和(自身を含む): 101035008

約数和(自身を除く): 19339193

約数列:

[1, 5, 37, 185, 383, 1153, 1915, 5765, 14171, 42661, 70855, 213305, 441599, 2207995, 16339163, 81695815]

約数ペア:

[(1, 81695815), (5, 16339163), (37, 2207995), (185, 441599), (383, 213305), (1153, 70855), (1915, 42661), (5765, 14171)]