1405839905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{280327}}^1$

素因数の和:280408

約数の個数: 16

約数和(自身を含む): 1816525440

約数和(自身を除く): 410685535

約数列:

[1, 5, 17, 59, 85, 295, 1003, 5015, 280327, 1401635, 4765559, 16539293, 23827795, 82696465, 281167981, 1405839905]

約数ペア:

[(1, 1405839905), (5, 281167981), (17, 82696465), (59, 23827795), (85, 16539293), (295, 4765559), (1003, 1401635), (5015, 280327)]