29991871

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 7929089

約数列:

[1, 7, 13, 49, 91, 197, 239, 637, 1379, 1673, 2561, 3107, 9653, 11711, 17927, 21749, 47083, 125489, 152243, 329581, 612079, 2307067, 4284553, 29991871]

約数ペア:

[(1, 29991871), (7, 4284553), (13, 2307067), (49, 612079), (91, 329581), (197, 152243), (239, 125489), (637, 47083), (1379, 21749), (1673, 17927), (2561, 11711), (3107, 9653)]