6638619

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 11002880

約数和(自身を除く): 4364261

約数列:

[1, 3, 13, 17, 19, 31, 39, 51, 57, 93, 221, 247, 289, 323, 403, 527, 589, 663, 741, 867, 969, 1209, 1581, 1767, 3757, 4199, 5491, 6851, 7657, 8959, 10013, 11271, 12597, 16473, 20553, 22971, 26877, 30039, 71383, 116467, 130169, 170221, 214149, 349401, 390507, 510663, 2212873, 6638619]

約数ペア:

[(1, 6638619), (3, 2212873), (13, 510663), (17, 390507), (19, 349401), (31, 214149), (39, 170221), (51, 130169), (57, 116467), (93, 71383), (221, 30039), (247, 26877), (289, 22971), (323, 20553), (403, 16473), (527, 12597), (589, 11271), (663, 10013), (741, 8959), (867, 7657), (969, 6851), (1209, 5491), (1581, 4199), (1767, 3757)]