81160436

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67409}}^1$

素因数の和:67463

約数の個数: 24

約数和(自身を含む): 166098240

約数和(自身を除く): 84937804

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 67409, 134818, 269636, 471863, 943726, 1887452, 2898587, 5797174, 11594348, 20290109, 40580218, 81160436]

約数ペア:

[(1, 81160436), (2, 40580218), (4, 20290109), (7, 11594348), (14, 5797174), (28, 2898587), (43, 1887452), (86, 943726), (172, 471863), (301, 269636), (602, 134818), (1204, 67409)]