208045005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 399679488

約数和(自身を除く): 191634483

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 277, 311, 345, 483, 805, 831, 933, 1385, 1555, 1939, 2177, 2415, 4155, 4665, 5817, 6371, 6531, 7153, 9695, 10885, 19113, 21459, 29085, 31855, 32655, 35765, 44597, 50071, 86147, 95565, 107295, 133791, 150213, 222985, 250355, 258441, 430735, 603029, 668955, 751065, 1292205, 1809087, 1981381, 3015145, 5944143, 9045435, 9906905, 13869667, 29720715, 41609001, 69348335, 208045005]

約数ペア:

[(1, 208045005), (3, 69348335), (5, 41609001), (7, 29720715), (15, 13869667), (21, 9906905), (23, 9045435), (35, 5944143), (69, 3015145), (105, 1981381), (115, 1809087), (161, 1292205), (277, 751065), (311, 668955), (345, 603029), (483, 430735), (805, 258441), (831, 250355), (933, 222985), (1385, 150213), (1555, 133791), (1939, 107295), (2177, 95565), (2415, 86147), (4155, 50071), (4665, 44597), (5817, 35765), (6371, 32655), (6531, 31855), (7153, 29085), (9695, 21459), (10885, 19113)]