128247889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 167731200

約数和(自身を除く): 39483311

約数列:

[1, 7, 11, 29, 77, 79, 203, 319, 553, 727, 869, 2233, 2291, 5089, 6083, 7997, 16037, 21083, 25201, 55979, 57433, 147581, 176407, 231913, 402031, 631763, 1623391, 1665557, 4422341, 11658899, 18321127, 128247889]

約数ペア:

[(1, 128247889), (7, 18321127), (11, 11658899), (29, 4422341), (77, 1665557), (79, 1623391), (203, 631763), (319, 402031), (553, 231913), (727, 176407), (869, 147581), (2233, 57433), (2291, 55979), (5089, 25201), (6083, 21083), (7997, 16037)]