28004678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{3727}}^1$

素因数の和:3776

約数の個数: 24

約数和(自身を含む): 48068832

約数和(自身を除く): 20064154

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 3727, 3757, 7454, 7514, 48451, 63359, 96902, 126718, 823667, 1077103, 1647334, 2154206, 14002339, 28004678]

約数ペア:

[(1, 28004678), (2, 14002339), (13, 2154206), (17, 1647334), (26, 1077103), (34, 823667), (221, 126718), (289, 96902), (442, 63359), (578, 48451), (3727, 7514), (3757, 7454)]