28121678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{10501}}^1$

素因数の和:10619

約数の個数: 16

約数和(自身を含む): 45872736

約数和(自身を除く): 17751058

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 10501, 21002, 136513, 273026, 1081603, 2163206, 14060839, 28121678]

約数ペア:

[(1, 28121678), (2, 14060839), (13, 2163206), (26, 1081603), (103, 273026), (206, 136513), (1339, 21002), (2678, 10501)]