28256618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{63929}}^1$

素因数の和:63961

約数の個数: 16

約数和(自身を含む): 48331080

約数和(自身を除く): 20074462

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 63929, 127858, 831077, 1086793, 1662154, 2173586, 14128309, 28256618]

約数ペア:

[(1, 28256618), (2, 14128309), (13, 2173586), (17, 1662154), (26, 1086793), (34, 831077), (221, 127858), (442, 63929)]