2640184

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{823}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 4968720

約数和(自身を除く): 2328536

約数列:

[1, 2, 4, 8, 401, 802, 823, 1604, 1646, 3208, 3292, 6584, 330023, 660046, 1320092, 2640184]

約数ペア:

[(1, 2640184), (2, 1320092), (4, 660046), (8, 330023), (401, 6584), (802, 3292), (823, 3208), (1604, 1646)]