19870429117

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{3943}}^1\times {\mathrm{65447}}^1$

素因数の和:69408

約数の個数: 16

約数和(自身を含む): 24780183552

約数和(自身を除く): 4909754435

約数列:

[1, 7, 11, 77, 3943, 27601, 43373, 65447, 303611, 458129, 719917, 5039419, 258057521, 1806402647, 2838632731, 19870429117]

約数ペア:

[(1, 19870429117), (7, 2838632731), (11, 1806402647), (77, 258057521), (3943, 5039419), (27601, 719917), (43373, 458129), (65447, 303611)]