81128234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{17477}}^1$

素因数の和:17701

約数の個数: 16

約数和(自身を含む): 133392096

約数和(自身を除く): 52263862

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4642, 17477, 34954, 192247, 384494, 3687647, 7375294, 40564117, 81128234]

約数ペア:

[(1, 81128234), (2, 40564117), (11, 7375294), (22, 3687647), (211, 384494), (422, 192247), (2321, 34954), (4642, 17477)]