28213974

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 66873600

約数和(自身を除く): 38659626

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 107, 114, 171, 214, 257, 321, 342, 513, 514, 642, 771, 963, 1026, 1542, 1926, 2033, 2313, 2889, 4066, 4626, 4883, 5778, 6099, 6939, 9766, 12198, 13878, 14649, 18297, 27499, 29298, 36594, 43947, 54891, 54998, 82497, 87894, 109782, 131841, 164994, 247491, 263682, 494982, 522481, 742473, 1044962, 1484946, 1567443, 3134886, 4702329, 9404658, 14106987, 28213974]

約数ペア:

[(1, 28213974), (2, 14106987), (3, 9404658), (6, 4702329), (9, 3134886), (18, 1567443), (19, 1484946), (27, 1044962), (38, 742473), (54, 522481), (57, 494982), (107, 263682), (114, 247491), (171, 164994), (214, 131841), (257, 109782), (321, 87894), (342, 82497), (513, 54998), (514, 54891), (642, 43947), (771, 36594), (963, 29298), (1026, 27499), (1542, 18297), (1926, 14649), (2033, 13878), (2313, 12198), (2889, 9766), (4066, 6939), (4626, 6099), (4883, 5778)]