28752472

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 66067200

約数和(自身を除く): 37314728

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 76, 122, 133, 152, 244, 266, 427, 443, 488, 532, 854, 886, 1064, 1159, 1708, 1772, 2318, 3101, 3416, 3544, 4636, 6202, 8113, 8417, 9272, 12404, 16226, 16834, 24808, 27023, 32452, 33668, 54046, 58919, 64904, 67336, 108092, 117838, 189161, 216184, 235676, 378322, 471352, 513437, 756644, 1026874, 1513288, 2053748, 3594059, 4107496, 7188118, 14376236, 28752472]

約数ペア:

[(1, 28752472), (2, 14376236), (4, 7188118), (7, 4107496), (8, 3594059), (14, 2053748), (19, 1513288), (28, 1026874), (38, 756644), (56, 513437), (61, 471352), (76, 378322), (122, 235676), (133, 216184), (152, 189161), (244, 117838), (266, 108092), (427, 67336), (443, 64904), (488, 58919), (532, 54046), (854, 33668), (886, 32452), (1064, 27023), (1159, 24808), (1708, 16834), (1772, 16226), (2318, 12404), (3101, 9272), (3416, 8417), (3544, 8113), (4636, 6202)]