28979172

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1193

約数の個数: 72

約数和(自身を含む): 78973440

約数和(自身を除く): 49994268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 713, 828, 1116, 1129, 1426, 2139, 2258, 2852, 3387, 4278, 4516, 6417, 6774, 8556, 10161, 12834, 13548, 20322, 25668, 25967, 34999, 40644, 51934, 69998, 77901, 103868, 104997, 139996, 155802, 209994, 233703, 311604, 314991, 419988, 467406, 629982, 804977, 934812, 1259964, 1609954, 2414931, 3219908, 4829862, 7244793, 9659724, 14489586, 28979172]

約数ペア:

[(1, 28979172), (2, 14489586), (3, 9659724), (4, 7244793), (6, 4829862), (9, 3219908), (12, 2414931), (18, 1609954), (23, 1259964), (31, 934812), (36, 804977), (46, 629982), (62, 467406), (69, 419988), (92, 314991), (93, 311604), (124, 233703), (138, 209994), (186, 155802), (207, 139996), (276, 104997), (279, 103868), (372, 77901), (414, 69998), (558, 51934), (713, 40644), (828, 34999), (1116, 25967), (1129, 25668), (1426, 20322), (2139, 13548), (2258, 12834), (2852, 10161), (3387, 8556), (4278, 6774), (4516, 6417)]