81404710

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{62141}}^1$

素因数の和:62279

約数の個数: 16

約数和(自身を含む): 147649392

約数和(自身を除く): 66244682

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 62141, 124282, 310705, 621410, 8140471, 16280942, 40702355, 81404710]

約数ペア:

[(1, 81404710), (2, 40702355), (5, 16280942), (10, 8140471), (131, 621410), (262, 310705), (655, 124282), (1310, 62141)]