28203578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{63809}}^1$

素因数の和:63841

約数の個数: 16

約数和(自身を含む): 48240360

約数和(自身を除く): 20036782

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 63809, 127618, 829517, 1084753, 1659034, 2169506, 14101789, 28203578]

約数ペア:

[(1, 28203578), (2, 14101789), (13, 2169506), (17, 1659034), (26, 1084753), (34, 829517), (221, 127618), (442, 63809)]