78776719

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1\times {\mathrm{317}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 91339776

約数和(自身を除く): 12563057

約数列:

[1, 7, 131, 271, 317, 917, 1897, 2219, 35501, 41527, 85907, 248507, 290689, 601349, 11253817, 78776719]

約数ペア:

[(1, 78776719), (7, 11253817), (131, 601349), (271, 290689), (317, 248507), (917, 85907), (1897, 41527), (2219, 35501)]