28340218

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1831}}^1$

素因数の和:2013

約数の個数: 16

約数和(自身を含む): 43528320

約数和(自身を除く): 15188102

約数列:

[1, 2, 71, 109, 142, 218, 1831, 3662, 7739, 15478, 130001, 199579, 260002, 399158, 14170109, 28340218]

約数ペア:

[(1, 28340218), (2, 14170109), (71, 399158), (109, 260002), (142, 199579), (218, 130001), (1831, 15478), (3662, 7739)]