51643188

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 137836608

約数和(自身を除く): 86193420

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 97, 138, 194, 207, 276, 291, 388, 414, 582, 643, 828, 873, 1164, 1286, 1746, 1929, 2231, 2572, 3492, 3858, 4462, 5787, 6693, 7716, 8924, 11574, 13386, 14789, 20079, 23148, 26772, 29578, 40158, 44367, 59156, 62371, 80316, 88734, 124742, 133101, 177468, 187113, 249484, 266202, 374226, 532404, 561339, 748452, 1122678, 1434533, 2245356, 2869066, 4303599, 5738132, 8607198, 12910797, 17214396, 25821594, 51643188]

約数ペア:

[(1, 51643188), (2, 25821594), (3, 17214396), (4, 12910797), (6, 8607198), (9, 5738132), (12, 4303599), (18, 2869066), (23, 2245356), (36, 1434533), (46, 1122678), (69, 748452), (92, 561339), (97, 532404), (138, 374226), (194, 266202), (207, 249484), (276, 187113), (291, 177468), (388, 133101), (414, 124742), (582, 88734), (643, 80316), (828, 62371), (873, 59156), (1164, 44367), (1286, 40158), (1746, 29578), (1929, 26772), (2231, 23148), (2572, 20079), (3492, 14789), (3858, 13386), (4462, 11574), (5787, 8924), (6693, 7716)]