27860728

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 63221760

約数和(自身を除く): 35361032

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 97, 161, 184, 194, 223, 322, 388, 446, 644, 679, 776, 892, 1288, 1358, 1561, 1784, 2231, 2716, 3122, 4462, 5129, 5432, 6244, 8924, 10258, 12488, 15617, 17848, 20516, 21631, 31234, 35903, 41032, 43262, 62468, 71806, 86524, 124936, 143612, 151417, 173048, 287224, 302834, 497513, 605668, 995026, 1211336, 1990052, 3482591, 3980104, 6965182, 13930364, 27860728]

約数ペア:

[(1, 27860728), (2, 13930364), (4, 6965182), (7, 3980104), (8, 3482591), (14, 1990052), (23, 1211336), (28, 995026), (46, 605668), (56, 497513), (92, 302834), (97, 287224), (161, 173048), (184, 151417), (194, 143612), (223, 124936), (322, 86524), (388, 71806), (446, 62468), (644, 43262), (679, 41032), (776, 35903), (892, 31234), (1288, 21631), (1358, 20516), (1561, 17848), (1784, 15617), (2231, 12488), (2716, 10258), (3122, 8924), (4462, 6244), (5129, 5432)]