289703764

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 588091392

約数和(自身を除く): 298387628

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 257, 317, 508, 514, 634, 889, 1028, 1268, 1778, 1799, 2219, 3556, 3598, 4438, 7196, 8876, 32639, 40259, 65278, 80518, 81469, 130556, 161036, 162938, 228473, 281813, 325876, 456946, 563626, 570283, 913892, 1127252, 1140566, 2281132, 10346563, 20693126, 41386252, 72425941, 144851882, 289703764]

約数ペア:

[(1, 289703764), (2, 144851882), (4, 72425941), (7, 41386252), (14, 20693126), (28, 10346563), (127, 2281132), (254, 1140566), (257, 1127252), (317, 913892), (508, 570283), (514, 563626), (634, 456946), (889, 325876), (1028, 281813), (1268, 228473), (1778, 162938), (1799, 161036), (2219, 130556), (3556, 81469), (3598, 80518), (4438, 65278), (7196, 40259), (8876, 32639)]