127406992

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 251608896

約数和(自身を除く): 124201904

約数列:

[1, 2, 4, 8, 16, 83, 166, 197, 332, 394, 487, 664, 788, 974, 1328, 1576, 1948, 3152, 3896, 7792, 16351, 32702, 40421, 65404, 80842, 95939, 130808, 161684, 191878, 261616, 323368, 383756, 646736, 767512, 1535024, 7962937, 15925874, 31851748, 63703496, 127406992]

約数ペア:

[(1, 127406992), (2, 63703496), (4, 31851748), (8, 15925874), (16, 7962937), (83, 1535024), (166, 767512), (197, 646736), (332, 383756), (394, 323368), (487, 261616), (664, 191878), (788, 161684), (974, 130808), (1328, 95939), (1576, 80842), (1948, 65404), (3152, 40421), (3896, 32702), (7792, 16351)]