87935204

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^2\times {\mathrm{89}}^1$

素因数の和:249

約数の個数: 54

約数和(自身を含む): 183607830

約数和(自身を除く): 95672626

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 89, 98, 142, 178, 196, 284, 356, 497, 623, 994, 1246, 1988, 2492, 3479, 4361, 5041, 6319, 6958, 8722, 10082, 12638, 13916, 17444, 20164, 25276, 35287, 44233, 70574, 88466, 141148, 176932, 247009, 309631, 448649, 494018, 619262, 897298, 988036, 1238524, 1794596, 3140543, 6281086, 12562172, 21983801, 43967602, 87935204]

約数ペア:

[(1, 87935204), (2, 43967602), (4, 21983801), (7, 12562172), (14, 6281086), (28, 3140543), (49, 1794596), (71, 1238524), (89, 988036), (98, 897298), (142, 619262), (178, 494018), (196, 448649), (284, 309631), (356, 247009), (497, 176932), (623, 141148), (994, 88466), (1246, 70574), (1988, 44233), (2492, 35287), (3479, 25276), (4361, 20164), (5041, 17444), (6319, 13916), (6958, 12638), (8722, 10082)]