813802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:605

約数の個数: 16

約数和(自身を含む): 1353024

約数和(自身を除く): 539222

約数列:

[1, 2, 11, 22, 71, 142, 521, 781, 1042, 1562, 5731, 11462, 36991, 73982, 406901, 813802]

約数ペア:

[(1, 813802), (2, 406901), (11, 73982), (22, 36991), (71, 11462), (142, 5731), (521, 1562), (781, 1042)]