245523968

素因数分解:

$2^9\times {\mathrm{31}}^2\times {\mathrm{499}}^1$

素因数の和:579

約数の個数: 60

約数和(自身を含む): 507919500

約数和(自身を除く): 262395532

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 499, 512, 961, 992, 998, 1922, 1984, 1996, 3844, 3968, 3992, 7688, 7936, 7984, 15376, 15469, 15872, 15968, 30752, 30938, 31936, 61504, 61876, 63872, 123008, 123752, 127744, 246016, 247504, 255488, 479539, 492032, 495008, 959078, 990016, 1918156, 1980032, 3836312, 3960064, 7672624, 7920128, 15345248, 30690496, 61380992, 122761984, 245523968]

約数ペア:

[(1, 245523968), (2, 122761984), (4, 61380992), (8, 30690496), (16, 15345248), (31, 7920128), (32, 7672624), (62, 3960064), (64, 3836312), (124, 1980032), (128, 1918156), (248, 990016), (256, 959078), (496, 495008), (499, 492032), (512, 479539), (961, 255488), (992, 247504), (998, 246016), (1922, 127744), (1984, 123752), (1996, 123008), (3844, 63872), (3968, 61876), (3992, 61504), (7688, 31936), (7936, 30938), (7984, 30752), (15376, 15968), (15469, 15872)]