137931820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{530507}}^1$

素因数の和:530529

約数の個数: 24

約数和(自身を含む): 311938704

約数和(自身を除く): 174006884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 530507, 1061014, 2122028, 2652535, 5305070, 6896591, 10610140, 13793182, 27586364, 34482955, 68965910, 137931820]

約数ペア:

[(1, 137931820), (2, 68965910), (4, 34482955), (5, 27586364), (10, 13793182), (13, 10610140), (20, 6896591), (26, 5305070), (52, 2652535), (65, 2122028), (130, 1061014), (260, 530507)]