208512512

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31327}}^1$

素因数の和:31358

約数の個数: 40

約数和(自身を含む): 448679616

約数和(自身を除く): 240167104

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 31327, 62654, 125308, 250616, 407251, 501232, 814502, 1002464, 1629004, 2004928, 3258008, 4009856, 6516016, 8019712, 13032032, 16039424, 26064064, 52128128, 104256256, 208512512]

約数ペア:

[(1, 208512512), (2, 104256256), (4, 52128128), (8, 26064064), (13, 16039424), (16, 13032032), (26, 8019712), (32, 6516016), (52, 4009856), (64, 3258008), (104, 2004928), (128, 1629004), (208, 1002464), (256, 814502), (416, 501232), (512, 407251), (832, 250616), (1664, 125308), (3328, 62654), (6656, 31327)]