213426290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277177}}^1$

素因数の和:277202

約数の個数: 32

約数和(自身を含む): 478963584

約数和(自身を除く): 265537294

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 277177, 554354, 1385885, 1940239, 2771770, 3048947, 3880478, 6097894, 9701195, 15244735, 19402390, 21342629, 30489470, 42685258, 106713145, 213426290]

約数ペア:

[(1, 213426290), (2, 106713145), (5, 42685258), (7, 30489470), (10, 21342629), (11, 19402390), (14, 15244735), (22, 9701195), (35, 6097894), (55, 3880478), (70, 3048947), (77, 2771770), (110, 1940239), (154, 1385885), (385, 554354), (770, 277177)]