28258986

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{347}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 66172896

約数和(自身を除く): 37913910

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 277, 294, 347, 554, 694, 831, 1041, 1662, 1939, 2082, 2429, 3878, 4858, 5817, 7287, 11634, 13573, 14574, 17003, 27146, 34006, 40719, 51009, 81438, 96119, 102018, 192238, 288357, 576714, 672833, 1345666, 2018499, 4036998, 4709831, 9419662, 14129493, 28258986]

約数ペア:

[(1, 28258986), (2, 14129493), (3, 9419662), (6, 4709831), (7, 4036998), (14, 2018499), (21, 1345666), (42, 672833), (49, 576714), (98, 288357), (147, 192238), (277, 102018), (294, 96119), (347, 81438), (554, 51009), (694, 40719), (831, 34006), (1041, 27146), (1662, 17003), (1939, 14574), (2082, 13573), (2429, 11634), (3878, 7287), (4858, 5817)]