218076518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{431}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 362672640

約数和(自身を除く): 144596122

約数列:

[1, 2, 11, 22, 109, 211, 218, 422, 431, 862, 1199, 2321, 2398, 4642, 4741, 9482, 22999, 45998, 46979, 90941, 93958, 181882, 252989, 505978, 516769, 1000351, 1033538, 2000702, 9912569, 19825138, 109038259, 218076518]

約数ペア:

[(1, 218076518), (2, 109038259), (11, 19825138), (22, 9912569), (109, 2000702), (211, 1033538), (218, 1000351), (422, 516769), (431, 505978), (862, 252989), (1199, 181882), (2321, 93958), (2398, 90941), (4642, 46979), (4741, 45998), (9482, 22999)]