81985198

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1\times {\mathrm{1481}}^1$

素因数の和:1883

約数の個数: 16

約数和(自身を含む): 124843680

約数和(自身を除く): 42858482

約数列:

[1, 2, 89, 178, 311, 622, 1481, 2962, 27679, 55358, 131809, 263618, 460591, 921182, 40992599, 81985198]

約数ペア:

[(1, 81985198), (2, 40992599), (89, 921182), (178, 460591), (311, 263618), (622, 131809), (1481, 55358), (2962, 27679)]