217811804

素因数分解:

$2^2\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{7487}}^1$

素因数の和:8537

約数の個数: 24

約数和(自身を含む): 436101120

約数和(自身を除く): 218289316

約数列:

[1, 2, 4, 7, 14, 28, 1039, 2078, 4156, 7273, 7487, 14546, 14974, 29092, 29948, 52409, 104818, 209636, 7778993, 15557986, 31115972, 54452951, 108905902, 217811804]

約数ペア:

[(1, 217811804), (2, 108905902), (4, 54452951), (7, 31115972), (14, 15557986), (28, 7778993), (1039, 209636), (2078, 104818), (4156, 52409), (7273, 29948), (7487, 29092), (14546, 14974)]