9907972

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79903}}^1$

素因数の和:79938

約数の個数: 12

約数和(自身を含む): 17898496

約数和(自身を除く): 7990524

約数列:

[1, 2, 4, 31, 62, 124, 79903, 159806, 319612, 2476993, 4953986, 9907972]

約数ペア:

[(1, 9907972), (2, 4953986), (4, 2476993), (31, 319612), (62, 159806), (124, 79903)]