90721064

素因数分解:

$2^3\times 7^1\times {\mathrm{1620019}}^1$

素因数の和:1620032

約数の個数: 16

約数和(自身を含む): 194402400

約数和(自身を除く): 103681336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1620019, 3240038, 6480076, 11340133, 12960152, 22680266, 45360532, 90721064]

約数ペア:

[(1, 90721064), (2, 45360532), (4, 22680266), (7, 12960152), (8, 11340133), (14, 6480076), (28, 3240038), (56, 1620019)]