209124784

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1130

約数の個数: 60

約数和(自身を含む): 449901760

約数和(自身を除く): 240776976

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 121, 176, 218, 242, 436, 484, 872, 968, 991, 1199, 1744, 1936, 1982, 2398, 3964, 4796, 7928, 9592, 10901, 13189, 15856, 19184, 21802, 26378, 43604, 52756, 87208, 105512, 108019, 119911, 174416, 211024, 216038, 239822, 432076, 479644, 864152, 959288, 1188209, 1728304, 1918576, 2376418, 4752836, 9505672, 13070299, 19011344, 26140598, 52281196, 104562392, 209124784]

約数ペア:

[(1, 209124784), (2, 104562392), (4, 52281196), (8, 26140598), (11, 19011344), (16, 13070299), (22, 9505672), (44, 4752836), (88, 2376418), (109, 1918576), (121, 1728304), (176, 1188209), (218, 959288), (242, 864152), (436, 479644), (484, 432076), (872, 239822), (968, 216038), (991, 211024), (1199, 174416), (1744, 119911), (1936, 108019), (1982, 105512), (2398, 87208), (3964, 52756), (4796, 43604), (7928, 26378), (9592, 21802), (10901, 19184), (13189, 15856)]