980647591

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{81119}}^1$

素因数の和:81294

約数の個数: 16

約数和(自身を含む): 1230428160

約数和(自身を除く): 249780569

約数列:

[1, 7, 11, 77, 157, 1099, 1727, 12089, 81119, 567833, 892309, 6246163, 12735683, 89149781, 140092513, 980647591]

約数ペア:

[(1, 980647591), (7, 140092513), (11, 89149781), (77, 12735683), (157, 6246163), (1099, 892309), (1727, 567833), (12089, 81119)]