30994766

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19843}}^1$

素因数の和:19927

約数の個数: 16

約数和(自身を含む): 51435648

約数和(自身を除く): 20440882

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 19843, 39686, 218273, 436546, 1408853, 2817706, 15497383, 30994766]

約数ペア:

[(1, 30994766), (2, 15497383), (11, 2817706), (22, 1408853), (71, 436546), (142, 218273), (781, 39686), (1562, 19843)]