28215418

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9643}}^1$

素因数の和:9682

約数の個数: 32

約数和(自身を含む): 55549440

約数和(自身を除く): 27334022

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 9643, 19286, 67501, 106073, 135002, 183217, 212146, 366434, 742511, 1282519, 1485022, 2015387, 2565038, 4030774, 14107709, 28215418]

約数ペア:

[(1, 28215418), (2, 14107709), (7, 4030774), (11, 2565038), (14, 2015387), (19, 1485022), (22, 1282519), (38, 742511), (77, 366434), (133, 212146), (154, 183217), (209, 135002), (266, 106073), (418, 67501), (1463, 19286), (2926, 9643)]