890403858

素因数分解:

$2^1\times 3^2\times {\mathrm{127}}^1\times {\mathrm{263}}^1\times {\mathrm{1481}}^1$

素因数の和:1879

約数の個数: 48

約数和(自身を含む): 1953110016

約数和(自身を除く): 1062706158

約数列:

[1, 2, 3, 6, 9, 18, 127, 254, 263, 381, 526, 762, 789, 1143, 1481, 1578, 2286, 2367, 2962, 4443, 4734, 8886, 13329, 26658, 33401, 66802, 100203, 188087, 200406, 300609, 376174, 389503, 564261, 601218, 779006, 1128522, 1168509, 1692783, 2337018, 3385566, 3505527, 7011054, 49466881, 98933762, 148400643, 296801286, 445201929, 890403858]

約数ペア:

[(1, 890403858), (2, 445201929), (3, 296801286), (6, 148400643), (9, 98933762), (18, 49466881), (127, 7011054), (254, 3505527), (263, 3385566), (381, 2337018), (526, 1692783), (762, 1168509), (789, 1128522), (1143, 779006), (1481, 601218), (1578, 564261), (2286, 389503), (2367, 376174), (2962, 300609), (4443, 200406), (4734, 188087), (8886, 100203), (13329, 66802), (26658, 33401)]