388610082

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{20981}}^1$

素因数の和:21013

約数の個数: 64

約数和(自身を含む): 1007136000

約数和(自身を除く): 618525918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 343, 378, 441, 686, 882, 1029, 1323, 2058, 2646, 3087, 6174, 9261, 18522, 20981, 41962, 62943, 125886, 146867, 188829, 293734, 377658, 440601, 566487, 881202, 1028069, 1132974, 1321803, 2056138, 2643606, 3084207, 3965409, 6168414, 7196483, 7930818, 9252621, 14392966, 18505242, 21589449, 27757863, 43178898, 55515726, 64768347, 129536694, 194305041, 388610082]

約数ペア:

[(1, 388610082), (2, 194305041), (3, 129536694), (6, 64768347), (7, 55515726), (9, 43178898), (14, 27757863), (18, 21589449), (21, 18505242), (27, 14392966), (42, 9252621), (49, 7930818), (54, 7196483), (63, 6168414), (98, 3965409), (126, 3084207), (147, 2643606), (189, 2056138), (294, 1321803), (343, 1132974), (378, 1028069), (441, 881202), (686, 566487), (882, 440601), (1029, 377658), (1323, 293734), (2058, 188829), (2646, 146867), (3087, 125886), (6174, 62943), (9261, 41962), (18522, 20981)]