81615272

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{101009}}^1$

素因数の和:101116

約数の個数: 16

約数和(自身を含む): 154545300

約数和(自身を除く): 72930028

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 101009, 202018, 404036, 808072, 10201909, 20403818, 40807636, 81615272]

約数ペア:

[(1, 81615272), (2, 40807636), (4, 20403818), (8, 10201909), (101, 808072), (202, 404036), (404, 202018), (808, 101009)]