71905456

素因数分解:

$2^4\times 7^1\times {\mathrm{642013}}^1$

素因数の和:642028

約数の個数: 20

約数和(自身を含む): 159219472

約数和(自身を除く): 87314016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 642013, 1284026, 2568052, 4494091, 5136104, 8988182, 10272208, 17976364, 35952728, 71905456]

約数ペア:

[(1, 71905456), (2, 35952728), (4, 17976364), (7, 10272208), (8, 8988182), (14, 5136104), (16, 4494091), (28, 2568052), (56, 1284026), (112, 642013)]