863984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{4909}}^1$

素因数の和:4928

約数の個数: 20

約数和(自身を含む): 1826520

約数和(自身を除く): 962536

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 4909, 9818, 19636, 39272, 53999, 78544, 107998, 215996, 431992, 863984]

約数ペア:

[(1, 863984), (2, 431992), (4, 215996), (8, 107998), (11, 78544), (16, 53999), (22, 39272), (44, 19636), (88, 9818), (176, 4909)]