128553572

素因数分解:

$2^2\times 7^1\times {\mathrm{1607}}^1\times {\mathrm{2857}}^1$

素因数の和:4475

約数の個数: 24

約数和(自身を含む): 257357184

約数和(自身を除く): 128803612

約数列:

[1, 2, 4, 7, 14, 28, 1607, 2857, 3214, 5714, 6428, 11249, 11428, 19999, 22498, 39998, 44996, 79996, 4591199, 9182398, 18364796, 32138393, 64276786, 128553572]

約数ペア:

[(1, 128553572), (2, 64276786), (4, 32138393), (7, 18364796), (14, 9182398), (28, 4591199), (1607, 79996), (2857, 44996), (3214, 39998), (5714, 22498), (6428, 19999), (11249, 11428)]