128587706

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{20023}}^1$

素因数の和:20070

約数の個数: 24

約数和(自身を含む): 219863520

約数和(自身を除く): 91275814

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 338, 494, 3211, 6422, 20023, 40046, 260299, 380437, 520598, 760874, 3383887, 4945681, 6767774, 9891362, 64293853, 128587706]

約数ペア:

[(1, 128587706), (2, 64293853), (13, 9891362), (19, 6767774), (26, 4945681), (38, 3383887), (169, 760874), (247, 520598), (338, 380437), (494, 260299), (3211, 40046), (6422, 20023)]