81991878

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{719227}}^1$

素因数の和:719251

約数の個数: 16

約数和(自身を含む): 172614720

約数和(自身を除く): 90622842

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 719227, 1438454, 2157681, 4315362, 13665313, 27330626, 40995939, 81991878]

約数ペア:

[(1, 81991878), (2, 40995939), (3, 27330626), (6, 13665313), (19, 4315362), (38, 2157681), (57, 1438454), (114, 719227)]