491047936

素因数分解:

$2^{10}\times {\mathrm{31}}^2\times {\mathrm{499}}^1$

素因数の和:581

約数の個数: 66

約数和(自身を含む): 1016335500

約数和(自身を除く): 525287564

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 499, 512, 961, 992, 998, 1024, 1922, 1984, 1996, 3844, 3968, 3992, 7688, 7936, 7984, 15376, 15469, 15872, 15968, 30752, 30938, 31744, 31936, 61504, 61876, 63872, 123008, 123752, 127744, 246016, 247504, 255488, 479539, 492032, 495008, 510976, 959078, 984064, 990016, 1918156, 1980032, 3836312, 3960064, 7672624, 7920128, 15345248, 15840256, 30690496, 61380992, 122761984, 245523968, 491047936]

約数ペア:

[(1, 491047936), (2, 245523968), (4, 122761984), (8, 61380992), (16, 30690496), (31, 15840256), (32, 15345248), (62, 7920128), (64, 7672624), (124, 3960064), (128, 3836312), (248, 1980032), (256, 1918156), (496, 990016), (499, 984064), (512, 959078), (961, 510976), (992, 495008), (998, 492032), (1024, 479539), (1922, 255488), (1984, 247504), (1996, 246016), (3844, 127744), (3968, 123752), (3992, 123008), (7688, 63872), (7936, 61876), (7984, 61504), (15376, 31936), (15469, 31744), (15872, 30938), (15968, 30752)]