81251044

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 166555648

約数和(自身を除く): 85304604

約数列:

[1, 2, 4, 7, 14, 28, 73, 127, 146, 254, 292, 313, 508, 511, 626, 889, 1022, 1252, 1778, 2044, 2191, 3556, 4382, 8764, 9271, 18542, 22849, 37084, 39751, 45698, 64897, 79502, 91396, 129794, 159004, 159943, 259588, 278257, 319886, 556514, 639772, 1113028, 2901823, 5803646, 11607292, 20312761, 40625522, 81251044]

約数ペア:

[(1, 81251044), (2, 40625522), (4, 20312761), (7, 11607292), (14, 5803646), (28, 2901823), (73, 1113028), (127, 639772), (146, 556514), (254, 319886), (292, 278257), (313, 259588), (508, 159943), (511, 159004), (626, 129794), (889, 91396), (1022, 79502), (1252, 64897), (1778, 45698), (2044, 39751), (2191, 37084), (3556, 22849), (4382, 18542), (8764, 9271)]