51490406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{23173}}^1$

素因数の和:23287

約数の個数: 16

約数和(自身を含む): 85094928

約数和(自身を除く): 33604522

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 23173, 46346, 254903, 509806, 2340473, 4680946, 25745203, 51490406]

約数ペア:

[(1, 51490406), (2, 25745203), (11, 4680946), (22, 2340473), (101, 509806), (202, 254903), (1111, 46346), (2222, 23173)]