13219255

素因数分解:

$5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1621}}^1$

素因数の和:1866

約数の個数: 16

約数和(自身を含む): 18218304

約数和(自身を除く): 4999049

約数列:

[1, 5, 7, 35, 233, 1165, 1621, 1631, 8105, 8155, 11347, 56735, 377693, 1888465, 2643851, 13219255]

約数ペア:

[(1, 13219255), (5, 2643851), (7, 1888465), (35, 377693), (233, 56735), (1165, 11347), (1621, 8155), (1631, 8105)]