12291215

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 15887040

約数和(自身を除く): 3595825

約数列:

[1, 5, 29, 37, 79, 145, 185, 395, 841, 1073, 2291, 2923, 4205, 5365, 11455, 14615, 31117, 66439, 84767, 155585, 332195, 423835, 2458243, 12291215]

約数ペア:

[(1, 12291215), (5, 2458243), (29, 423835), (37, 332195), (79, 155585), (145, 84767), (185, 66439), (395, 31117), (841, 14615), (1073, 11455), (2291, 5365), (2923, 4205)]