211399804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{686363}}^1$

素因数の和:686385

約数の個数: 24

約数和(自身を含む): 461236608

約数和(自身を除く): 249836804

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 686363, 1372726, 2745452, 4804541, 7549993, 9609082, 15099986, 19218164, 30199972, 52849951, 105699902, 211399804]

約数ペア:

[(1, 211399804), (2, 105699902), (4, 52849951), (7, 30199972), (11, 19218164), (14, 15099986), (22, 9609082), (28, 7549993), (44, 4804541), (77, 2745452), (154, 1372726), (308, 686363)]