12881885

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 15852672

約数和(自身を除く): 2970787

約数列:

[1, 5, 71, 131, 277, 355, 655, 1385, 9301, 19667, 36287, 46505, 98335, 181435, 2576377, 12881885]

約数ペア:

[(1, 12881885), (5, 2576377), (71, 181435), (131, 98335), (277, 46505), (355, 36287), (655, 19667), (1385, 9301)]