81820766

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{2459}}^1$

素因数の和:2719

約数の個数: 16

約数和(自身を含む): 124692480

約数和(自身を除く): 42871714

約数列:

[1, 2, 127, 131, 254, 262, 2459, 4918, 16637, 33274, 312293, 322129, 624586, 644258, 40910383, 81820766]

約数ペア:

[(1, 81820766), (2, 40910383), (127, 644258), (131, 624586), (254, 322129), (262, 312293), (2459, 33274), (4918, 16637)]