2660665

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4032

約数の個数: 16

約数和(自身を含む): 3841920

約数和(自身を除く): 1181255

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 4001, 20005, 28007, 76019, 140035, 380095, 532133, 2660665]

約数ペア:

[(1, 2660665), (5, 532133), (7, 380095), (19, 140035), (35, 76019), (95, 28007), (133, 20005), (665, 4001)]