28709926

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{9719}}^1$

素因数の和:9939

約数の個数: 16

約数和(自身を含む): 49455360

約数和(自身を除く): 20745434

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 9719, 19438, 68033, 136066, 2050709, 4101418, 14354963, 28709926]

約数ペア:

[(1, 28709926), (2, 14354963), (7, 4101418), (14, 2050709), (211, 136066), (422, 68033), (1477, 19438), (2954, 9719)]