9899888

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{1543}}^1$

素因数の和:1952

約数の個数: 20

約数和(自身を含む): 19241328

約数和(自身を除く): 9341440

約数列:

[1, 2, 4, 8, 16, 401, 802, 1543, 1604, 3086, 3208, 6172, 6416, 12344, 24688, 618743, 1237486, 2474972, 4949944, 9899888]

約数ペア:

[(1, 9899888), (2, 4949944), (4, 2474972), (8, 1237486), (16, 618743), (401, 24688), (802, 12344), (1543, 6416), (1604, 6172), (3086, 3208)]