28694224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 63745920

約数和(自身を除く): 35051696

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 67, 71, 104, 116, 134, 142, 208, 232, 268, 284, 377, 464, 536, 568, 754, 871, 923, 1072, 1136, 1508, 1742, 1846, 1943, 2059, 3016, 3484, 3692, 3886, 4118, 4757, 6032, 6968, 7384, 7772, 8236, 9514, 13936, 14768, 15544, 16472, 19028, 25259, 26767, 31088, 32944, 38056, 50518, 53534, 61841, 76112, 101036, 107068, 123682, 137953, 202072, 214136, 247364, 275906, 404144, 428272, 494728, 551812, 989456, 1103624, 1793389, 2207248, 3586778, 7173556, 14347112, 28694224]

約数ペア:

[(1, 28694224), (2, 14347112), (4, 7173556), (8, 3586778), (13, 2207248), (16, 1793389), (26, 1103624), (29, 989456), (52, 551812), (58, 494728), (67, 428272), (71, 404144), (104, 275906), (116, 247364), (134, 214136), (142, 202072), (208, 137953), (232, 123682), (268, 107068), (284, 101036), (377, 76112), (464, 61841), (536, 53534), (568, 50518), (754, 38056), (871, 32944), (923, 31088), (1072, 26767), (1136, 25259), (1508, 19028), (1742, 16472), (1846, 15544), (1943, 14768), (2059, 13936), (3016, 9514), (3484, 8236), (3692, 7772), (3886, 7384), (4118, 6968), (4757, 6032)]