28764978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 36553422

約数列:

[1, 2, 3, 6, 11, 22, 33, 59, 66, 83, 89, 118, 166, 177, 178, 249, 267, 354, 498, 534, 649, 913, 979, 1298, 1826, 1947, 1958, 2739, 2937, 3894, 4897, 5251, 5478, 5874, 7387, 9794, 10502, 14691, 14774, 15753, 22161, 29382, 31506, 44322, 53867, 57761, 81257, 107734, 115522, 161601, 162514, 173283, 243771, 323202, 346566, 435833, 487542, 871666, 1307499, 2614998, 4794163, 9588326, 14382489, 28764978]

約数ペア:

[(1, 28764978), (2, 14382489), (3, 9588326), (6, 4794163), (11, 2614998), (22, 1307499), (33, 871666), (59, 487542), (66, 435833), (83, 346566), (89, 323202), (118, 243771), (166, 173283), (177, 162514), (178, 161601), (249, 115522), (267, 107734), (354, 81257), (498, 57761), (534, 53867), (649, 44322), (913, 31506), (979, 29382), (1298, 22161), (1826, 15753), (1947, 14774), (1958, 14691), (2739, 10502), (2937, 9794), (3894, 7387), (4897, 5874), (5251, 5478)]