261569276

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{11909}}^1$

素因数の和:11966

約数の個数: 36

約数和(自身を含む): 511891800

約数和(自身を除く): 250322524

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 289, 323, 578, 646, 1156, 1292, 5491, 10982, 11909, 21964, 23818, 47636, 202453, 226271, 404906, 452542, 809812, 905084, 3441701, 3846607, 6883402, 7693214, 13766804, 15386428, 65392319, 130784638, 261569276]

約数ペア:

[(1, 261569276), (2, 130784638), (4, 65392319), (17, 15386428), (19, 13766804), (34, 7693214), (38, 6883402), (68, 3846607), (76, 3441701), (289, 905084), (323, 809812), (578, 452542), (646, 404906), (1156, 226271), (1292, 202453), (5491, 47636), (10982, 23818), (11909, 21964)]