81912544

素因数分解:

$2^5\times 7^1\times {\mathrm{503}}^1\times {\mathrm{727}}^1$

素因数の和:1247

約数の個数: 48

約数和(自身を含む): 184923648

約数和(自身を除く): 103011104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 503, 727, 1006, 1454, 2012, 2908, 3521, 4024, 5089, 5816, 7042, 8048, 10178, 11632, 14084, 16096, 20356, 23264, 28168, 40712, 56336, 81424, 112672, 162848, 365681, 731362, 1462724, 2559767, 2925448, 5119534, 5850896, 10239068, 11701792, 20478136, 40956272, 81912544]

約数ペア:

[(1, 81912544), (2, 40956272), (4, 20478136), (7, 11701792), (8, 10239068), (14, 5850896), (16, 5119534), (28, 2925448), (32, 2559767), (56, 1462724), (112, 731362), (224, 365681), (503, 162848), (727, 112672), (1006, 81424), (1454, 56336), (2012, 40712), (2908, 28168), (3521, 23264), (4024, 20356), (5089, 16096), (5816, 14084), (7042, 11632), (8048, 10178)]