66863984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{379909}}^1$

素因数の和:379928

約数の個数: 20

約数和(自身を含む): 141326520

約数和(自身を除く): 74462536

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 379909, 759818, 1519636, 3039272, 4178999, 6078544, 8357998, 16715996, 33431992, 66863984]

約数ペア:

[(1, 66863984), (2, 33431992), (4, 16715996), (8, 8357998), (11, 6078544), (16, 4178999), (22, 3039272), (44, 1519636), (88, 759818), (176, 379909)]