2668016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 40

約数和(自身を含む): 5666304

約数和(自身を除く): 2998288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 127, 202, 208, 254, 404, 508, 808, 1016, 1313, 1616, 1651, 2032, 2626, 3302, 5252, 6604, 10504, 12827, 13208, 21008, 25654, 26416, 51308, 102616, 166751, 205232, 333502, 667004, 1334008, 2668016]

約数ペア:

[(1, 2668016), (2, 1334008), (4, 667004), (8, 333502), (13, 205232), (16, 166751), (26, 102616), (52, 51308), (101, 26416), (104, 25654), (127, 21008), (202, 13208), (208, 12827), (254, 10504), (404, 6604), (508, 5252), (808, 3302), (1016, 2626), (1313, 2032), (1616, 1651)]