205013656

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{63907}}^1$

素因数の和:64314

約数の個数: 16

約数和(自身を含む): 385365240

約数和(自身を除く): 180351584

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 63907, 127814, 255628, 511256, 25626707, 51253414, 102506828, 205013656]

約数ペア:

[(1, 205013656), (2, 102506828), (4, 51253414), (8, 25626707), (401, 511256), (802, 255628), (1604, 127814), (3208, 63907)]