258156964

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 514203648

約数和(自身を除く): 256046684

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 97, 124, 127, 169, 194, 254, 338, 388, 403, 508, 676, 806, 1261, 1612, 1651, 2522, 3007, 3302, 3937, 5044, 5239, 6014, 6604, 7874, 10478, 12028, 12319, 15748, 16393, 20956, 21463, 24638, 32786, 39091, 42926, 49276, 51181, 65572, 78182, 85852, 102362, 156364, 160147, 204724, 320294, 381889, 508183, 640588, 665353, 763778, 1016366, 1330706, 1527556, 2032732, 2081911, 2661412, 4163822, 4964557, 8327644, 9929114, 19858228, 64539241, 129078482, 258156964]

約数ペア:

[(1, 258156964), (2, 129078482), (4, 64539241), (13, 19858228), (26, 9929114), (31, 8327644), (52, 4964557), (62, 4163822), (97, 2661412), (124, 2081911), (127, 2032732), (169, 1527556), (194, 1330706), (254, 1016366), (338, 763778), (388, 665353), (403, 640588), (508, 508183), (676, 381889), (806, 320294), (1261, 204724), (1612, 160147), (1651, 156364), (2522, 102362), (3007, 85852), (3302, 78182), (3937, 65572), (5044, 51181), (5239, 49276), (6014, 42926), (6604, 39091), (7874, 32786), (10478, 24638), (12028, 21463), (12319, 20956), (15748, 16393)]