187997768

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{643}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 422876160

約数和(自身を除く): 234878392

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 227, 322, 454, 643, 644, 908, 1286, 1288, 1589, 1816, 2572, 3178, 4501, 5144, 5221, 6356, 9002, 10442, 12712, 14789, 18004, 20884, 29578, 36008, 36547, 41768, 59156, 73094, 103523, 118312, 145961, 146188, 207046, 291922, 292376, 414092, 583844, 828184, 1021727, 1167688, 2043454, 3357103, 4086908, 6714206, 8173816, 13428412, 23499721, 26856824, 46999442, 93998884, 187997768]

約数ペア:

[(1, 187997768), (2, 93998884), (4, 46999442), (7, 26856824), (8, 23499721), (14, 13428412), (23, 8173816), (28, 6714206), (46, 4086908), (56, 3357103), (92, 2043454), (161, 1167688), (184, 1021727), (227, 828184), (322, 583844), (454, 414092), (643, 292376), (644, 291922), (908, 207046), (1286, 146188), (1288, 145961), (1589, 118312), (1816, 103523), (2572, 73094), (3178, 59156), (4501, 41768), (5144, 36547), (5221, 36008), (6356, 29578), (9002, 20884), (10442, 18004), (12712, 14789)]