12781997422

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1\times {\mathrm{158621}}^1$

素因数の和:159603

約数の個数: 16

約数和(自身を含む): 19639941552

約数和(自身を除く): 6857944130

約数列:

[1, 2, 43, 86, 937, 1874, 40291, 80582, 158621, 317242, 6820703, 13641406, 148627877, 297255754, 6390998711, 12781997422]

約数ペア:

[(1, 12781997422), (2, 6390998711), (43, 297255754), (86, 148627877), (937, 13641406), (1874, 6820703), (40291, 317242), (80582, 158621)]