81568492

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{503}}^1\times {\mathrm{571}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 145297152

約数和(自身を除く): 63728660

約数列:

[1, 2, 4, 71, 142, 284, 503, 571, 1006, 1142, 2012, 2284, 35713, 40541, 71426, 81082, 142852, 162164, 287213, 574426, 1148852, 20392123, 40784246, 81568492]

約数ペア:

[(1, 81568492), (2, 40784246), (4, 20392123), (71, 1148852), (142, 574426), (284, 287213), (503, 162164), (571, 142852), (1006, 81082), (1142, 71426), (2012, 40541), (2284, 35713)]