12928139

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1361}}^1$

素因数の和:1450

約数の個数: 16

約数和(自身を含む): 15690240

約数和(自身を除く): 2762101

約数列:

[1, 7, 23, 59, 161, 413, 1357, 1361, 9499, 9527, 31303, 80299, 219121, 562093, 1846877, 12928139]

約数ペア:

[(1, 12928139), (7, 1846877), (23, 562093), (59, 219121), (161, 80299), (413, 31303), (1357, 9527), (1361, 9499)]