278316784

素因数分解:

$2^4\times {\mathrm{607}}^1\times {\mathrm{28657}}^1$

素因数の和:29272

約数の個数: 20

約数和(自身を含む): 540145984

約数和(自身を除く): 261829200

約数列:

[1, 2, 4, 8, 16, 607, 1214, 2428, 4856, 9712, 28657, 57314, 114628, 229256, 458512, 17394799, 34789598, 69579196, 139158392, 278316784]

約数ペア:

[(1, 278316784), (2, 139158392), (4, 69579196), (8, 34789598), (16, 17394799), (607, 458512), (1214, 229256), (2428, 114628), (4856, 57314), (9712, 28657)]