253887265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{69463}}^1$

素因数の和:69528

約数の個数: 16

約数和(自身を含む): 330092928

約数和(自身を除く): 76205663

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 69463, 347315, 1180871, 2986909, 5904355, 14934545, 50777453, 253887265]

約数ペア:

[(1, 253887265), (5, 50777453), (17, 14934545), (43, 5904355), (85, 2986909), (215, 1180871), (731, 347315), (3655, 69463)]