81064564

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{152377}}^1$

素因数の和:152407

約数の個数: 24

約数和(自身を含む): 170663360

約数和(自身を除く): 89598796

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 152377, 304754, 609508, 1066639, 2133278, 2895163, 4266556, 5790326, 11580652, 20266141, 40532282, 81064564]

約数ペア:

[(1, 81064564), (2, 40532282), (4, 20266141), (7, 11580652), (14, 5790326), (19, 4266556), (28, 2895163), (38, 2133278), (76, 1066639), (133, 609508), (266, 304754), (532, 152377)]