1279888

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{479}}^1$

素因数の和:654

約数の個数: 20

約数和(自身を含む): 2499840

約数和(自身を除く): 1219952

約数列:

[1, 2, 4, 8, 16, 167, 334, 479, 668, 958, 1336, 1916, 2672, 3832, 7664, 79993, 159986, 319972, 639944, 1279888]

約数ペア:

[(1, 1279888), (2, 639944), (4, 319972), (8, 159986), (16, 79993), (167, 7664), (334, 3832), (479, 2672), (668, 1916), (958, 1336)]