28117856

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 60074784

約数和(自身を除く): 31956928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 257, 263, 416, 514, 526, 1028, 1052, 2056, 2104, 3341, 3419, 4112, 4208, 6682, 6838, 8224, 8416, 13364, 13676, 26728, 27352, 53456, 54704, 67591, 106912, 109408, 135182, 270364, 540728, 878683, 1081456, 1757366, 2162912, 3514732, 7029464, 14058928, 28117856]

約数ペア:

[(1, 28117856), (2, 14058928), (4, 7029464), (8, 3514732), (13, 2162912), (16, 1757366), (26, 1081456), (32, 878683), (52, 540728), (104, 270364), (208, 135182), (257, 109408), (263, 106912), (416, 67591), (514, 54704), (526, 53456), (1028, 27352), (1052, 26728), (2056, 13676), (2104, 13364), (3341, 8416), (3419, 8224), (4112, 6838), (4208, 6682)]