201991685

素因数分解:

$5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{8731}}^1$

素因数の和:9404

約数の個数: 16

約数和(自身を含む): 277468032

約数和(自身を除く): 75476347

約数列:

[1, 5, 7, 35, 661, 3305, 4627, 8731, 23135, 43655, 61117, 305585, 5771191, 28855955, 40398337, 201991685]

約数ペア:

[(1, 201991685), (5, 40398337), (7, 28855955), (35, 5771191), (661, 305585), (3305, 61117), (4627, 43655), (8731, 23135)]