25390519

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 32958464

約数和(自身を除く): 7567945

約数列:

[1, 7, 11, 31, 77, 121, 217, 341, 847, 967, 2387, 3751, 6769, 10637, 26257, 29977, 74459, 117007, 209839, 329747, 819049, 2308229, 3627217, 25390519]

約数ペア:

[(1, 25390519), (7, 3627217), (11, 2308229), (31, 819049), (77, 329747), (121, 209839), (217, 117007), (341, 74459), (847, 29977), (967, 26257), (2387, 10637), (3751, 6769)]