13971685

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30707}}^1$

素因数の和:30732

約数の個数: 16

約数和(自身を含む): 20635776

約数和(自身を除く): 6664091

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 30707, 153535, 214949, 399191, 1074745, 1995955, 2794337, 13971685]

約数ペア:

[(1, 13971685), (5, 2794337), (7, 1995955), (13, 1074745), (35, 399191), (65, 214949), (91, 153535), (455, 30707)]