72778321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23053}}^1$

素因数の和:23112

約数の個数: 16

約数和(自身を含む): 92953728

約数和(自身を除く): 20175407

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 23053, 161371, 253583, 945173, 1775081, 6616211, 10396903, 72778321]

約数ペア:

[(1, 72778321), (7, 10396903), (11, 6616211), (41, 1775081), (77, 945173), (287, 253583), (451, 161371), (3157, 23053)]