28106987

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:370

約数の個数: 16

約数和(自身を含む): 30081024

約数和(自身を除く): 1974037

約数列:

[1, 31, 47, 101, 191, 1457, 3131, 4747, 5921, 8977, 19291, 147157, 278287, 598021, 906677, 28106987]

約数ペア:

[(1, 28106987), (31, 906677), (47, 598021), (101, 278287), (191, 147157), (1457, 19291), (3131, 8977), (4747, 5921)]