172639984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{980909}}^1$

素因数の和:980928

約数の個数: 20

約数和(自身を含む): 364898520

約数和(自身を除く): 192258536

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 980909, 1961818, 3923636, 7847272, 10789999, 15694544, 21579998, 43159996, 86319992, 172639984]

約数ペア:

[(1, 172639984), (2, 86319992), (4, 43159996), (8, 21579998), (11, 15694544), (16, 10789999), (22, 7847272), (44, 3923636), (88, 1961818), (176, 980909)]