261520220517

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{3691}}^1\times {\mathrm{502507}}^1$

素因数の和:506248

約数の個数: 16

約数和(自身を含む): 356209830912

約数和(自身を除く): 94689610395

約数列:

[1, 3, 47, 141, 3691, 11073, 173477, 502507, 520431, 1507521, 23617829, 70853487, 1854753337, 5564260011, 87173406839, 261520220517]

約数ペア:

[(1, 261520220517), (3, 87173406839), (47, 5564260011), (141, 1854753337), (3691, 70853487), (11073, 23617829), (173477, 1507521), (502507, 520431)]