2805087173

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1171}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 3591383040

約数和(自身を除く): 786295867

約数列:

[1, 7, 19, 31, 49, 83, 133, 217, 581, 589, 931, 1171, 1519, 1577, 2573, 4067, 4123, 8197, 11039, 18011, 22249, 28861, 36301, 48887, 57379, 77273, 97193, 126077, 155743, 254107, 342209, 680351, 689719, 1090201, 1778749, 1846667, 2395463, 3012983, 4762457, 4828033, 12926669, 21090881, 33796231, 57246677, 90486683, 147636167, 400726739, 2805087173]

約数ペア:

[(1, 2805087173), (7, 400726739), (19, 147636167), (31, 90486683), (49, 57246677), (83, 33796231), (133, 21090881), (217, 12926669), (581, 4828033), (589, 4762457), (931, 3012983), (1171, 2395463), (1519, 1846667), (1577, 1778749), (2573, 1090201), (4067, 689719), (4123, 680351), (8197, 342209), (11039, 254107), (18011, 155743), (22249, 126077), (28861, 97193), (36301, 77273), (48887, 57379)]