28987504

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 70884352

約数和(自身を除く): 41896848

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, 463, 559, 602, 688, 728, 926, 1118, 1204, 1456, 1852, 2236, 2408, 3241, 3704, 3913, 4472, 4816, 6019, 6482, 7408, 7826, 8944, 12038, 12964, 15652, 19909, 24076, 25928, 31304, 39818, 42133, 48152, 51856, 62608, 79636, 84266, 96304, 139363, 159272, 168532, 258817, 278726, 318544, 337064, 517634, 557452, 674128, 1035268, 1114904, 1811719, 2070536, 2229808, 3623438, 4141072, 7246876, 14493752, 28987504]

約数ペア:

[(1, 28987504), (2, 14493752), (4, 7246876), (7, 4141072), (8, 3623438), (13, 2229808), (14, 2070536), (16, 1811719), (26, 1114904), (28, 1035268), (43, 674128), (52, 557452), (56, 517634), (86, 337064), (91, 318544), (104, 278726), (112, 258817), (172, 168532), (182, 159272), (208, 139363), (301, 96304), (344, 84266), (364, 79636), (463, 62608), (559, 51856), (602, 48152), (688, 42133), (728, 39818), (926, 31304), (1118, 25928), (1204, 24076), (1456, 19909), (1852, 15652), (2236, 12964), (2408, 12038), (3241, 8944), (3704, 7826), (3913, 7408), (4472, 6482), (4816, 6019)]