20174550529

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 24247351296

約数和(自身を除く): 4072800767

約数列:

[1, 7, 49, 71, 97, 191, 313, 497, 679, 1337, 2191, 3479, 4753, 6887, 9359, 13561, 15337, 18527, 22223, 30361, 48209, 59783, 94927, 129689, 155561, 212527, 337463, 418481, 664489, 907823, 1088927, 1315417, 1487689, 2155631, 2929367, 4244593, 5798951, 9207919, 15089417, 29712151, 40592657, 64455433, 105625919, 207985057, 284148599, 411725521, 2882078647, 20174550529]

約数ペア:

[(1, 20174550529), (7, 2882078647), (49, 411725521), (71, 284148599), (97, 207985057), (191, 105625919), (313, 64455433), (497, 40592657), (679, 29712151), (1337, 15089417), (2191, 9207919), (3479, 5798951), (4753, 4244593), (6887, 2929367), (9359, 2155631), (13561, 1487689), (15337, 1315417), (18527, 1088927), (22223, 907823), (30361, 664489), (48209, 418481), (59783, 337463), (94927, 212527), (129689, 155561)]