81640777

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{823}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 90178560

約数和(自身を除く): 8537783

約数列:

[1, 19, 23, 227, 437, 823, 4313, 5221, 15637, 18929, 99199, 186821, 359651, 3549599, 4296883, 81640777]

約数ペア:

[(1, 81640777), (19, 4296883), (23, 3549599), (227, 359651), (437, 186821), (823, 99199), (4313, 18929), (5221, 15637)]