81025588

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 167207040

約数和(自身を除く): 86181452

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 173, 301, 346, 389, 602, 692, 778, 1204, 1211, 1556, 2422, 2723, 4844, 5446, 7439, 10892, 14878, 16727, 29756, 33454, 52073, 66908, 67297, 104146, 117089, 134594, 208292, 234178, 269188, 468356, 471079, 942158, 1884316, 2893771, 5787542, 11575084, 20256397, 40512794, 81025588]

約数ペア:

[(1, 81025588), (2, 40512794), (4, 20256397), (7, 11575084), (14, 5787542), (28, 2893771), (43, 1884316), (86, 942158), (172, 471079), (173, 468356), (301, 269188), (346, 234178), (389, 208292), (602, 134594), (692, 117089), (778, 104146), (1204, 67297), (1211, 66908), (1556, 52073), (2422, 33454), (2723, 29756), (4844, 16727), (5446, 14878), (7439, 10892)]