28411768

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{599}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 68229000

約数和(自身を除く): 39817232

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 392, 484, 539, 599, 616, 847, 968, 1078, 1198, 1694, 2156, 2396, 3388, 4193, 4312, 4792, 5929, 6589, 6776, 8386, 11858, 13178, 16772, 23716, 26356, 29351, 33544, 46123, 47432, 52712, 58702, 72479, 92246, 117404, 144958, 184492, 234808, 289916, 322861, 368984, 507353, 579832, 645722, 1014706, 1291444, 2029412, 2582888, 3551471, 4058824, 7102942, 14205884, 28411768]

約数ペア:

[(1, 28411768), (2, 14205884), (4, 7102942), (7, 4058824), (8, 3551471), (11, 2582888), (14, 2029412), (22, 1291444), (28, 1014706), (44, 645722), (49, 579832), (56, 507353), (77, 368984), (88, 322861), (98, 289916), (121, 234808), (154, 184492), (196, 144958), (242, 117404), (308, 92246), (392, 72479), (484, 58702), (539, 52712), (599, 47432), (616, 46123), (847, 33544), (968, 29351), (1078, 26356), (1198, 23716), (1694, 16772), (2156, 13178), (2396, 11858), (3388, 8386), (4193, 6776), (4312, 6589), (4792, 5929)]