28488262

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{12821}}^1$

素因数の和:12935

約数の個数: 16

約数和(自身を含む): 47082384

約数和(自身を除く): 18594122

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 12821, 25642, 141031, 282062, 1294921, 2589842, 14244131, 28488262]

約数ペア:

[(1, 28488262), (2, 14244131), (11, 2589842), (22, 1294921), (101, 282062), (202, 141031), (1111, 25642), (2222, 12821)]