28221328

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:439

約数の個数: 40

約数和(自身を含む): 56246400

約数和(自身を除く): 28025072

約数列:

[1, 2, 4, 8, 16, 79, 83, 158, 166, 269, 316, 332, 538, 632, 664, 1076, 1264, 1328, 2152, 4304, 6557, 13114, 21251, 22327, 26228, 42502, 44654, 52456, 85004, 89308, 104912, 170008, 178616, 340016, 357232, 1763833, 3527666, 7055332, 14110664, 28221328]

約数ペア:

[(1, 28221328), (2, 14110664), (4, 7055332), (8, 3527666), (16, 1763833), (79, 357232), (83, 340016), (158, 178616), (166, 170008), (269, 104912), (316, 89308), (332, 85004), (538, 52456), (632, 44654), (664, 42502), (1076, 26228), (1264, 22327), (1328, 21251), (2152, 13114), (4304, 6557)]