28209766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{63823}}^1$

素因数の和:63855

約数の個数: 16

約数和(自身を含む): 48250944

約数和(自身を除く): 20041178

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 63823, 127646, 829699, 1084991, 1659398, 2169982, 14104883, 28209766]

約数ペア:

[(1, 28209766), (2, 14104883), (13, 2169982), (17, 1659398), (26, 1084991), (34, 829699), (221, 127646), (442, 63823)]