28578466

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 53844480

約数和(自身を除く): 25266014

約数列:

[1, 2, 7, 14, 23, 31, 46, 49, 62, 98, 161, 217, 322, 409, 434, 713, 818, 1127, 1426, 1519, 2254, 2863, 3038, 4991, 5726, 9407, 9982, 12679, 18814, 20041, 25358, 34937, 40082, 65849, 69874, 88753, 131698, 177506, 291617, 460943, 583234, 621271, 921886, 1242542, 2041319, 4082638, 14289233, 28578466]

約数ペア:

[(1, 28578466), (2, 14289233), (7, 4082638), (14, 2041319), (23, 1242542), (31, 921886), (46, 621271), (49, 583234), (62, 460943), (98, 291617), (161, 177506), (217, 131698), (322, 88753), (409, 69874), (434, 65849), (713, 40082), (818, 34937), (1127, 25358), (1426, 20041), (1519, 18814), (2254, 12679), (2863, 9982), (3038, 9407), (4991, 5726)]