28489972

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1061}}^1$

素因数の和:1216

約数の個数: 36

約数和(自身を含む): 58475844

約数和(自身を除く): 29985872

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 959, 1061, 1918, 2122, 3836, 4244, 6713, 7427, 13426, 14854, 26852, 29708, 51989, 103978, 145357, 207956, 290714, 581428, 1017499, 2034998, 4069996, 7122493, 14244986, 28489972]

約数ペア:

[(1, 28489972), (2, 14244986), (4, 7122493), (7, 4069996), (14, 2034998), (28, 1017499), (49, 581428), (98, 290714), (137, 207956), (196, 145357), (274, 103978), (548, 51989), (959, 29708), (1061, 26852), (1918, 14854), (2122, 13426), (3836, 7427), (4244, 6713)]