646663980482

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2203}}^1\times {\mathrm{88897}}^1$

素因数の和:91242

約数の個数: 32

約数和(自身を含む): 1053326088192

約数和(自身を除く): 406662107710

約数列:

[1, 2, 13, 26, 127, 254, 1651, 2203, 3302, 4406, 28639, 57278, 88897, 177794, 279781, 559562, 1155661, 2311322, 3637153, 7274306, 11289919, 22579838, 146768947, 195840091, 293537894, 391680182, 2545921183, 5091842366, 24871691557, 49743383114, 323331990241, 646663980482]

約数ペア:

[(1, 646663980482), (2, 323331990241), (13, 49743383114), (26, 24871691557), (127, 5091842366), (254, 2545921183), (1651, 391680182), (2203, 293537894), (3302, 195840091), (4406, 146768947), (28639, 22579838), (57278, 11289919), (88897, 7274306), (177794, 3637153), (279781, 2311322), (559562, 1155661)]