81897412

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{1871}}^1$

素因数の和:2259

約数の個数: 24

約数和(自身を含む): 148442112

約数和(自身を除く): 66544700

約数列:

[1, 2, 4, 31, 62, 124, 353, 706, 1412, 1871, 3742, 7484, 10943, 21886, 43772, 58001, 116002, 232004, 660463, 1320926, 2641852, 20474353, 40948706, 81897412]

約数ペア:

[(1, 81897412), (2, 40948706), (4, 20474353), (31, 2641852), (62, 1320926), (124, 660463), (353, 232004), (706, 116002), (1412, 58001), (1871, 43772), (3742, 21886), (7484, 10943)]