28721462

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{443}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 53961984

約数和(自身を除く): 25240522

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 421, 443, 842, 886, 2947, 3101, 4631, 4873, 5894, 6202, 9262, 9746, 32417, 34111, 64834, 68222, 186503, 373006, 1305521, 2051533, 2611042, 4103066, 14360731, 28721462]

約数ペア:

[(1, 28721462), (2, 14360731), (7, 4103066), (11, 2611042), (14, 2051533), (22, 1305521), (77, 373006), (154, 186503), (421, 68222), (443, 64834), (842, 34111), (886, 32417), (2947, 9746), (3101, 9262), (4631, 6202), (4873, 5894)]