81065516

素因数分解:

$2^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{5557}}^1$

素因数の和:6089

約数の個数: 24

約数和(自身を含む): 162471456

約数和(自身を除く): 81405940

約数列:

[1, 2, 4, 7, 14, 28, 521, 1042, 2084, 3647, 5557, 7294, 11114, 14588, 22228, 38899, 77798, 155596, 2895197, 5790394, 11580788, 20266379, 40532758, 81065516]

約数ペア:

[(1, 81065516), (2, 40532758), (4, 20266379), (7, 11580788), (14, 5790394), (28, 2895197), (521, 155596), (1042, 77798), (2084, 38899), (3647, 22228), (5557, 14588), (7294, 11114)]