7871888

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{21391}}^1$

素因数の和:21422

約数の個数: 20

約数和(自身を含む): 15915648

約数和(自身を除く): 8043760

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 21391, 42782, 85564, 171128, 342256, 491993, 983986, 1967972, 3935944, 7871888]

約数ペア:

[(1, 7871888), (2, 3935944), (4, 1967972), (8, 983986), (16, 491993), (23, 342256), (46, 171128), (92, 85564), (184, 42782), (368, 21391)]