12905002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1361}}^1$

素因数の和:1805

約数の個数: 16

約数和(自身を含む): 21181824

約数和(自身を除く): 8276822

約数列:

[1, 2, 11, 22, 431, 862, 1361, 2722, 4741, 9482, 14971, 29942, 586591, 1173182, 6452501, 12905002]

約数ペア:

[(1, 12905002), (2, 6452501), (11, 1173182), (22, 586591), (431, 29942), (862, 14971), (1361, 9482), (2722, 4741)]