28639052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2143}}^1$

素因数の和:2417

約数の個数: 24

約数和(自身を含む): 54208896

約数和(自身を除く): 25569844

約数列:

[1, 2, 4, 13, 26, 52, 257, 514, 1028, 2143, 3341, 4286, 6682, 8572, 13364, 27859, 55718, 111436, 550751, 1101502, 2203004, 7159763, 14319526, 28639052]

約数ペア:

[(1, 28639052), (2, 14319526), (4, 7159763), (13, 2203004), (26, 1101502), (52, 550751), (257, 111436), (514, 55718), (1028, 27859), (2143, 13364), (3341, 8572), (4286, 6682)]