2018779529

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 2443779072

約数和(自身を除く): 424999543

約数列:

[1, 13, 17, 23, 137, 169, 221, 223, 299, 391, 1781, 2329, 2873, 2899, 3151, 3791, 3887, 5083, 5129, 23153, 30277, 30551, 37687, 40963, 49283, 53567, 66079, 66677, 87193, 393601, 397163, 519367, 532519, 640679, 696371, 702673, 866801, 1133509, 5163119, 6751771, 9052823, 9134749, 11945441, 14735617, 87773023, 118751737, 155290733, 2018779529]

約数ペア:

[(1, 2018779529), (13, 155290733), (17, 118751737), (23, 87773023), (137, 14735617), (169, 11945441), (221, 9134749), (223, 9052823), (299, 6751771), (391, 5163119), (1781, 1133509), (2329, 866801), (2873, 702673), (2899, 696371), (3151, 640679), (3791, 532519), (3887, 519367), (5083, 397163), (5129, 393601), (23153, 87193), (30277, 66677), (30551, 66079), (37687, 53567), (40963, 49283)]