28676856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{859}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 78019200

約数和(自身を除く): 49342344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 107, 156, 214, 312, 321, 428, 642, 856, 859, 1284, 1391, 1718, 2568, 2577, 2782, 3436, 4173, 5154, 5564, 6872, 8346, 10308, 11128, 11167, 16692, 20616, 22334, 33384, 33501, 44668, 67002, 89336, 91913, 134004, 183826, 268008, 275739, 367652, 551478, 735304, 1102956, 1194869, 2205912, 2389738, 3584607, 4779476, 7169214, 9558952, 14338428, 28676856]

約数ペア:

[(1, 28676856), (2, 14338428), (3, 9558952), (4, 7169214), (6, 4779476), (8, 3584607), (12, 2389738), (13, 2205912), (24, 1194869), (26, 1102956), (39, 735304), (52, 551478), (78, 367652), (104, 275739), (107, 268008), (156, 183826), (214, 134004), (312, 91913), (321, 89336), (428, 67002), (642, 44668), (856, 33501), (859, 33384), (1284, 22334), (1391, 20616), (1718, 16692), (2568, 11167), (2577, 11128), (2782, 10308), (3436, 8346), (4173, 6872), (5154, 5564)]