81901792

素因数分解:

$2^5\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2879}}^1$

素因数の和:3023

約数の個数: 48

約数和(自身を含む): 185794560

約数和(自身を除く): 103892768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 127, 224, 254, 508, 889, 1016, 1778, 2032, 2879, 3556, 4064, 5758, 7112, 11516, 14224, 20153, 23032, 28448, 40306, 46064, 80612, 92128, 161224, 322448, 365633, 644896, 731266, 1462532, 2559431, 2925064, 5118862, 5850128, 10237724, 11700256, 20475448, 40950896, 81901792]

約数ペア:

[(1, 81901792), (2, 40950896), (4, 20475448), (7, 11700256), (8, 10237724), (14, 5850128), (16, 5118862), (28, 2925064), (32, 2559431), (56, 1462532), (112, 731266), (127, 644896), (224, 365633), (254, 322448), (508, 161224), (889, 92128), (1016, 80612), (1778, 46064), (2032, 40306), (2879, 28448), (3556, 23032), (4064, 20153), (5758, 14224), (7112, 11516)]