81155284

素因数分解:

$2^2\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{2111}}^1$

素因数の和:3495

約数の個数: 24

約数和(自身を含む): 162505728

約数和(自身を除く): 81350444

約数列:

[1, 2, 4, 7, 14, 28, 1373, 2111, 2746, 4222, 5492, 8444, 9611, 14777, 19222, 29554, 38444, 59108, 2898403, 5796806, 11593612, 20288821, 40577642, 81155284]

約数ペア:

[(1, 81155284), (2, 40577642), (4, 20288821), (7, 11593612), (14, 5796806), (28, 2898403), (1373, 59108), (2111, 38444), (2746, 29554), (4222, 19222), (5492, 14777), (8444, 9611)]