131409512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{18859}}^1$

素因数の和:18945

約数の個数: 32

約数和(自身を含む): 269320800

約数和(自身を除く): 137911288

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 18859, 37718, 75436, 150872, 245167, 490334, 980668, 1263553, 1961336, 2527106, 5054212, 10108424, 16426189, 32852378, 65704756, 131409512]

約数ペア:

[(1, 131409512), (2, 65704756), (4, 32852378), (8, 16426189), (13, 10108424), (26, 5054212), (52, 2527106), (67, 1961336), (104, 1263553), (134, 980668), (268, 490334), (536, 245167), (871, 150872), (1742, 75436), (3484, 37718), (6968, 18859)]