208774878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{26501}}^1$

素因数の和:26620

約数の個数: 32

約数和(自身を含む): 454138272

約数和(自身を除く): 245363394

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 101, 202, 303, 606, 1313, 2626, 3939, 7878, 26501, 53002, 79503, 159006, 344513, 689026, 1033539, 2067078, 2676601, 5353202, 8029803, 16059606, 34795813, 69591626, 104387439, 208774878]

約数ペア:

[(1, 208774878), (2, 104387439), (3, 69591626), (6, 34795813), (13, 16059606), (26, 8029803), (39, 5353202), (78, 2676601), (101, 2067078), (202, 1033539), (303, 689026), (606, 344513), (1313, 159006), (2626, 79503), (3939, 53002), (7878, 26501)]