28391376

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 79744896

約数和(自身を除く): 51353520

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 173, 208, 263, 312, 346, 519, 526, 624, 692, 789, 1038, 1052, 1384, 1578, 2076, 2104, 2249, 2768, 3156, 3419, 4152, 4208, 4498, 6312, 6747, 6838, 8304, 8996, 10257, 12624, 13494, 13676, 17992, 20514, 26988, 27352, 35984, 41028, 45499, 53976, 54704, 82056, 90998, 107952, 136497, 164112, 181996, 272994, 363992, 545988, 591487, 727984, 1091976, 1182974, 1774461, 2183952, 2365948, 3548922, 4731896, 7097844, 9463792, 14195688, 28391376]

約数ペア:

[(1, 28391376), (2, 14195688), (3, 9463792), (4, 7097844), (6, 4731896), (8, 3548922), (12, 2365948), (13, 2183952), (16, 1774461), (24, 1182974), (26, 1091976), (39, 727984), (48, 591487), (52, 545988), (78, 363992), (104, 272994), (156, 181996), (173, 164112), (208, 136497), (263, 107952), (312, 90998), (346, 82056), (519, 54704), (526, 53976), (624, 45499), (692, 41028), (789, 35984), (1038, 27352), (1052, 26988), (1384, 20514), (1578, 17992), (2076, 13676), (2104, 13494), (2249, 12624), (2768, 10257), (3156, 8996), (3419, 8304), (4152, 6838), (4208, 6747), (4498, 6312)]