81889444

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{613}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 177146368

約数和(自身を除く): 95256924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 367, 613, 734, 1226, 1468, 2452, 2569, 4291, 4771, 5138, 7969, 8582, 9542, 10276, 15938, 17164, 19084, 31876, 33397, 55783, 66794, 111566, 133588, 223132, 224971, 449942, 899884, 1574797, 2924623, 3149594, 5849246, 6299188, 11698492, 20472361, 40944722, 81889444]

約数ペア:

[(1, 81889444), (2, 40944722), (4, 20472361), (7, 11698492), (13, 6299188), (14, 5849246), (26, 3149594), (28, 2924623), (52, 1574797), (91, 899884), (182, 449942), (364, 224971), (367, 223132), (613, 133588), (734, 111566), (1226, 66794), (1468, 55783), (2452, 33397), (2569, 31876), (4291, 19084), (4771, 17164), (5138, 15938), (7969, 10276), (8582, 9542)]