1621054976

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{937}}^1$

素因数の和:1095

約数の個数: 80

約数和(自身を含む): 3377700480

約数和(自身を除く): 1756645504

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 109, 124, 128, 218, 248, 256, 436, 496, 512, 872, 937, 992, 1744, 1874, 1984, 3379, 3488, 3748, 3968, 6758, 6976, 7496, 7936, 13516, 13952, 14992, 15872, 27032, 27904, 29047, 29984, 54064, 55808, 58094, 59968, 102133, 108128, 116188, 119936, 204266, 216256, 232376, 239872, 408532, 432512, 464752, 479744, 817064, 865024, 929504, 1634128, 1730048, 1859008, 3166123, 3268256, 3718016, 6332246, 6536512, 7436032, 12664492, 13073024, 14872064, 25328984, 26146048, 50657968, 52292096, 101315936, 202631872, 405263744, 810527488, 1621054976]

約数ペア:

[(1, 1621054976), (2, 810527488), (4, 405263744), (8, 202631872), (16, 101315936), (31, 52292096), (32, 50657968), (62, 26146048), (64, 25328984), (109, 14872064), (124, 13073024), (128, 12664492), (218, 7436032), (248, 6536512), (256, 6332246), (436, 3718016), (496, 3268256), (512, 3166123), (872, 1859008), (937, 1730048), (992, 1634128), (1744, 929504), (1874, 865024), (1984, 817064), (3379, 479744), (3488, 464752), (3748, 432512), (3968, 408532), (6758, 239872), (6976, 232376), (7496, 216256), (7936, 204266), (13516, 119936), (13952, 116188), (14992, 108128), (15872, 102133), (27032, 59968), (27904, 58094), (29047, 55808), (29984, 54064)]