81382448

素因数分解:

$2^4\times 7^1\times {\mathrm{726629}}^1$

素因数の和:726644

約数の個数: 20

約数和(自身を含む): 180204240

約数和(自身を除く): 98821792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 726629, 1453258, 2906516, 5086403, 5813032, 10172806, 11626064, 20345612, 40691224, 81382448]

約数ペア:

[(1, 81382448), (2, 40691224), (4, 20345612), (7, 11626064), (8, 10172806), (14, 5813032), (16, 5086403), (28, 2906516), (56, 1453258), (112, 726629)]