247999504

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{127}}^2$

素因数の和:324

約数の個数: 45

約数和(自身を含む): 500439231

約数和(自身を除く): 252439727

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 127, 248, 254, 496, 508, 961, 1016, 1922, 2032, 3844, 3937, 7688, 7874, 15376, 15748, 16129, 31496, 32258, 62992, 64516, 122047, 129032, 244094, 258064, 488188, 499999, 976376, 999998, 1952752, 1999996, 3999992, 7999984, 15499969, 30999938, 61999876, 123999752, 247999504]

約数ペア:

[(1, 247999504), (2, 123999752), (4, 61999876), (8, 30999938), (16, 15499969), (31, 7999984), (62, 3999992), (124, 1999996), (127, 1952752), (248, 999998), (254, 976376), (496, 499999), (508, 488188), (961, 258064), (1016, 244094), (1922, 129032), (2032, 122047), (3844, 64516), (3937, 62992), (7688, 32258), (7874, 31496), (15376, 16129)]