129657856

素因数分解:

$2^{10}\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1144

約数の個数: 44

約数和(自身を含む): 261491968

約数和(自身を除く): 131834112

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 512, 997, 1016, 1024, 1994, 2032, 3988, 4064, 7976, 8128, 15952, 16256, 31904, 32512, 63808, 65024, 126619, 127616, 130048, 253238, 255232, 506476, 510464, 1012952, 1020928, 2025904, 4051808, 8103616, 16207232, 32414464, 64828928, 129657856]

約数ペア:

[(1, 129657856), (2, 64828928), (4, 32414464), (8, 16207232), (16, 8103616), (32, 4051808), (64, 2025904), (127, 1020928), (128, 1012952), (254, 510464), (256, 506476), (508, 255232), (512, 253238), (997, 130048), (1016, 127616), (1024, 126619), (1994, 65024), (2032, 63808), (3988, 32512), (4064, 31904), (7976, 16256), (8128, 15952)]