81453008

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1372

約数の個数: 80

約数和(自身を含む): 198903936

約数和(自身を除く): 117450928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 688, 728, 1118, 1204, 1301, 1456, 2236, 2408, 2602, 3913, 4472, 4816, 5204, 7826, 8944, 9107, 10408, 15652, 16913, 18214, 20816, 31304, 33826, 36428, 55943, 62608, 67652, 72856, 111886, 118391, 135304, 145712, 223772, 236782, 270608, 391601, 447544, 473564, 727259, 783202, 895088, 947128, 1454518, 1566404, 1894256, 2909036, 3132808, 5090813, 5818072, 6265616, 10181626, 11636144, 20363252, 40726504, 81453008]

約数ペア:

[(1, 81453008), (2, 40726504), (4, 20363252), (7, 11636144), (8, 10181626), (13, 6265616), (14, 5818072), (16, 5090813), (26, 3132808), (28, 2909036), (43, 1894256), (52, 1566404), (56, 1454518), (86, 947128), (91, 895088), (104, 783202), (112, 727259), (172, 473564), (182, 447544), (208, 391601), (301, 270608), (344, 236782), (364, 223772), (559, 145712), (602, 135304), (688, 118391), (728, 111886), (1118, 72856), (1204, 67652), (1301, 62608), (1456, 55943), (2236, 36428), (2408, 33826), (2602, 31304), (3913, 20816), (4472, 18214), (4816, 16913), (5204, 15652), (7826, 10408), (8944, 9107)]