638842856

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 1277121600

約数和(自身を除く): 638278744

約数列:

[1, 2, 4, 8, 29, 58, 67, 73, 116, 134, 146, 232, 268, 292, 536, 563, 584, 1126, 1943, 2117, 2252, 3886, 4234, 4504, 4891, 7772, 8468, 9782, 15544, 16327, 16936, 19564, 32654, 37721, 39128, 41099, 65308, 75442, 82198, 130616, 141839, 150884, 164396, 283678, 301768, 328792, 567356, 1093909, 1134712, 1191871, 2187818, 2383742, 2753633, 4375636, 4767484, 5507266, 8751272, 9534968, 11014532, 22029064, 79855357, 159710714, 319421428, 638842856]

約数ペア:

[(1, 638842856), (2, 319421428), (4, 159710714), (8, 79855357), (29, 22029064), (58, 11014532), (67, 9534968), (73, 8751272), (116, 5507266), (134, 4767484), (146, 4375636), (232, 2753633), (268, 2383742), (292, 2187818), (536, 1191871), (563, 1134712), (584, 1093909), (1126, 567356), (1943, 328792), (2117, 301768), (2252, 283678), (3886, 164396), (4234, 150884), (4504, 141839), (4891, 130616), (7772, 82198), (8468, 75442), (9782, 65308), (15544, 41099), (16327, 39128), (16936, 37721), (19564, 32654)]