28872666

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 39556134

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 107, 114, 171, 214, 263, 321, 342, 513, 526, 642, 789, 963, 1026, 1578, 1926, 2033, 2367, 2889, 4066, 4734, 4997, 5778, 6099, 7101, 9994, 12198, 14202, 14991, 18297, 28141, 29982, 36594, 44973, 54891, 56282, 84423, 89946, 109782, 134919, 168846, 253269, 269838, 506538, 534679, 759807, 1069358, 1519614, 1604037, 3208074, 4812111, 9624222, 14436333, 28872666]

約数ペア:

[(1, 28872666), (2, 14436333), (3, 9624222), (6, 4812111), (9, 3208074), (18, 1604037), (19, 1519614), (27, 1069358), (38, 759807), (54, 534679), (57, 506538), (107, 269838), (114, 253269), (171, 168846), (214, 134919), (263, 109782), (321, 89946), (342, 84423), (513, 56282), (526, 54891), (642, 44973), (789, 36594), (963, 29982), (1026, 28141), (1578, 18297), (1926, 14991), (2033, 14202), (2367, 12198), (2889, 9994), (4066, 7101), (4734, 6099), (4997, 5778)]