28218672

素因数分解:

$2^4\times 3^3\times {\mathrm{83}}^1\times {\mathrm{787}}^1$

素因数の和:887

約数の個数: 80

約数和(自身を含む): 82078080

約数和(自身を除く): 53859408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 83, 108, 144, 166, 216, 249, 332, 432, 498, 664, 747, 787, 996, 1328, 1494, 1574, 1992, 2241, 2361, 2988, 3148, 3984, 4482, 4722, 5976, 6296, 7083, 8964, 9444, 11952, 12592, 14166, 17928, 18888, 21249, 28332, 35856, 37776, 42498, 56664, 65321, 84996, 113328, 130642, 169992, 195963, 261284, 339984, 391926, 522568, 587889, 783852, 1045136, 1175778, 1567704, 1763667, 2351556, 3135408, 3527334, 4703112, 7054668, 9406224, 14109336, 28218672]

約数ペア:

[(1, 28218672), (2, 14109336), (3, 9406224), (4, 7054668), (6, 4703112), (8, 3527334), (9, 3135408), (12, 2351556), (16, 1763667), (18, 1567704), (24, 1175778), (27, 1045136), (36, 783852), (48, 587889), (54, 522568), (72, 391926), (83, 339984), (108, 261284), (144, 195963), (166, 169992), (216, 130642), (249, 113328), (332, 84996), (432, 65321), (498, 56664), (664, 42498), (747, 37776), (787, 35856), (996, 28332), (1328, 21249), (1494, 18888), (1574, 17928), (1992, 14166), (2241, 12592), (2361, 11952), (2988, 9444), (3148, 8964), (3984, 7083), (4482, 6296), (4722, 5976)]