81991938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1049}}^1\times {\mathrm{1861}}^1$

素因数の和:2922

約数の個数: 32

約数和(自身を含む): 187689600

約数和(自身を除く): 105697662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1049, 1861, 2098, 3147, 3722, 5583, 6294, 7343, 11166, 13027, 14686, 22029, 26054, 39081, 44058, 78162, 1952189, 3904378, 5856567, 11713134, 13665323, 27330646, 40995969, 81991938]

約数ペア:

[(1, 81991938), (2, 40995969), (3, 27330646), (6, 13665323), (7, 11713134), (14, 5856567), (21, 3904378), (42, 1952189), (1049, 78162), (1861, 44058), (2098, 39081), (3147, 26054), (3722, 22029), (5583, 14686), (6294, 13027), (7343, 11166)]