122761984

素因数分解:

$2^8\times {\mathrm{31}}^2\times {\mathrm{499}}^1$

素因数の和:577

約数の個数: 54

約数和(自身を含む): 253711500

約数和(自身を除く): 130949516

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 499, 961, 992, 998, 1922, 1984, 1996, 3844, 3968, 3992, 7688, 7936, 7984, 15376, 15469, 15968, 30752, 30938, 31936, 61504, 61876, 63872, 123008, 123752, 127744, 246016, 247504, 479539, 495008, 959078, 990016, 1918156, 1980032, 3836312, 3960064, 7672624, 15345248, 30690496, 61380992, 122761984]

約数ペア:

[(1, 122761984), (2, 61380992), (4, 30690496), (8, 15345248), (16, 7672624), (31, 3960064), (32, 3836312), (62, 1980032), (64, 1918156), (124, 990016), (128, 959078), (248, 495008), (256, 479539), (496, 247504), (499, 246016), (961, 127744), (992, 123752), (998, 123008), (1922, 63872), (1984, 61876), (1996, 61504), (3844, 31936), (3968, 30938), (3992, 30752), (7688, 15968), (7936, 15469), (7984, 15376)]