128656412

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{3947}}^1$

素因数の和:4261

約数の個数: 24

約数和(自身を含む): 233800560

約数和(自身を除く): 105144148

約数列:

[1, 2, 4, 29, 58, 116, 281, 562, 1124, 3947, 7894, 8149, 15788, 16298, 32596, 114463, 228926, 457852, 1109107, 2218214, 4436428, 32164103, 64328206, 128656412]

約数ペア:

[(1, 128656412), (2, 64328206), (4, 32164103), (29, 4436428), (58, 2218214), (116, 1109107), (281, 457852), (562, 228926), (1124, 114463), (3947, 32596), (7894, 16298), (8149, 15788)]