399458688

素因数分解:

$2^7\times 3^1\times {\mathrm{127}}^1\times {\mathrm{8191}}^1$

素因数の和:8335

約数の個数: 64

約数和(自身を含む): 1069547520

約数和(自身を除く): 670088832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 127, 128, 192, 254, 381, 384, 508, 762, 1016, 1524, 2032, 3048, 4064, 6096, 8128, 8191, 12192, 16256, 16382, 24384, 24573, 32764, 48768, 49146, 65528, 98292, 131056, 196584, 262112, 393168, 524224, 786336, 1040257, 1048448, 1572672, 2080514, 3120771, 3145344, 4161028, 6241542, 8322056, 12483084, 16644112, 24966168, 33288224, 49932336, 66576448, 99864672, 133152896, 199729344, 399458688]

約数ペア:

[(1, 399458688), (2, 199729344), (3, 133152896), (4, 99864672), (6, 66576448), (8, 49932336), (12, 33288224), (16, 24966168), (24, 16644112), (32, 12483084), (48, 8322056), (64, 6241542), (96, 4161028), (127, 3145344), (128, 3120771), (192, 2080514), (254, 1572672), (381, 1048448), (384, 1040257), (508, 786336), (762, 524224), (1016, 393168), (1524, 262112), (2032, 196584), (3048, 131056), (4064, 98292), (6096, 65528), (8128, 49146), (8191, 48768), (12192, 32764), (16256, 24573), (16382, 24384)]