17785400425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{68491}}^1$

素因数の和:68578

約数の個数: 48

約数和(自身を含む): 25682856192

約数和(自身を除く): 7897455767

約数列:

[1, 5, 13, 17, 25, 47, 65, 85, 221, 235, 325, 425, 611, 799, 1105, 1175, 3055, 3995, 5525, 10387, 15275, 19975, 51935, 68491, 259675, 342455, 890383, 1164347, 1712275, 3219077, 4451915, 5821735, 15136511, 16095385, 22259575, 29108675, 41848001, 54724309, 75682555, 80476925, 209240005, 273621545, 378412775, 711416017, 1046200025, 1368107725, 3557080085, 17785400425]

約数ペア:

[(1, 17785400425), (5, 3557080085), (13, 1368107725), (17, 1046200025), (25, 711416017), (47, 378412775), (65, 273621545), (85, 209240005), (221, 80476925), (235, 75682555), (325, 54724309), (425, 41848001), (611, 29108675), (799, 22259575), (1105, 16095385), (1175, 15136511), (3055, 5821735), (3995, 4451915), (5525, 3219077), (10387, 1712275), (15275, 1164347), (19975, 890383), (51935, 342455), (68491, 259675)]