128698568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{1559}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 256089600

約数和(自身を除く): 127391032

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 607, 1214, 1559, 2428, 3118, 4856, 6236, 10319, 12472, 20638, 26503, 41276, 53006, 82552, 106012, 212024, 946313, 1892626, 3785252, 7570504, 16087321, 32174642, 64349284, 128698568]

約数ペア:

[(1, 128698568), (2, 64349284), (4, 32174642), (8, 16087321), (17, 7570504), (34, 3785252), (68, 1892626), (136, 946313), (607, 212024), (1214, 106012), (1559, 82552), (2428, 53006), (3118, 41276), (4856, 26503), (6236, 20638), (10319, 12472)]