81020159

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{457}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 90222336

約数和(自身を除く): 9202177

約数列:

[1, 11, 71, 227, 457, 781, 2497, 5027, 16117, 32447, 103739, 177287, 356917, 1141129, 7365469, 81020159]

約数ペア:

[(1, 81020159), (11, 7365469), (71, 1141129), (227, 356917), (457, 177287), (781, 103739), (2497, 32447), (5027, 16117)]