2640001

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 3305344

約数和(自身を除く): 665343

約数列:

[1, 7, 13, 67, 91, 433, 469, 871, 3031, 5629, 6097, 29011, 39403, 203077, 377143, 2640001]

約数ペア:

[(1, 2640001), (7, 377143), (13, 203077), (67, 39403), (91, 29011), (433, 6097), (469, 5629), (871, 3031)]