86331497

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{20939}}^1$

素因数の和:20996

約数の個数: 16

約数和(自身を含む): 107212800

約数和(自身を除く): 20881303

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 20939, 146573, 397841, 649109, 2784887, 4543763, 12333071, 86331497]

約数ペア:

[(1, 86331497), (7, 12333071), (19, 4543763), (31, 2784887), (133, 649109), (217, 397841), (589, 146573), (4123, 20939)]