199971786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{877}}^1$

素因数の和:1039

約数の個数: 64

約数和(自身を含む): 470327040

約数和(自身を除く): 270355254

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 89, 122, 178, 183, 267, 366, 427, 534, 623, 854, 877, 1246, 1281, 1754, 1869, 2562, 2631, 3738, 5262, 5429, 6139, 10858, 12278, 16287, 18417, 32574, 36834, 38003, 53497, 76006, 78053, 106994, 114009, 156106, 160491, 228018, 234159, 320982, 374479, 468318, 546371, 748958, 1092742, 1123437, 1639113, 2246874, 3278226, 4761233, 9522466, 14283699, 28567398, 33328631, 66657262, 99985893, 199971786]

約数ペア:

[(1, 199971786), (2, 99985893), (3, 66657262), (6, 33328631), (7, 28567398), (14, 14283699), (21, 9522466), (42, 4761233), (61, 3278226), (89, 2246874), (122, 1639113), (178, 1123437), (183, 1092742), (267, 748958), (366, 546371), (427, 468318), (534, 374479), (623, 320982), (854, 234159), (877, 228018), (1246, 160491), (1281, 156106), (1754, 114009), (1869, 106994), (2562, 78053), (2631, 76006), (3738, 53497), (5262, 38003), (5429, 36834), (6139, 32574), (10858, 18417), (12278, 16287)]