77938916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{887}}^1\times {\mathrm{1997}}^1$

素因数の和:2899

約数の個数: 24

約数和(自身を含む): 149034816

約数和(自身を除く): 71095900

約数列:

[1, 2, 4, 11, 22, 44, 887, 1774, 1997, 3548, 3994, 7988, 9757, 19514, 21967, 39028, 43934, 87868, 1771339, 3542678, 7085356, 19484729, 38969458, 77938916]

約数ペア:

[(1, 77938916), (2, 38969458), (4, 19484729), (11, 7085356), (22, 3542678), (44, 1771339), (887, 87868), (1774, 43934), (1997, 39028), (3548, 21967), (3994, 19514), (7988, 9757)]