78974819

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{146521}}^1$

素因数の和:146546

約数の個数: 12

約数和(自身を含む): 100221048

約数和(自身を除く): 21246229

約数列:

[1, 7, 11, 49, 77, 539, 146521, 1025647, 1611731, 7179529, 11282117, 78974819]

約数ペア:

[(1, 78974819), (7, 11282117), (11, 7179529), (49, 1611731), (77, 1025647), (539, 146521)]