257377792

素因数分解:

$2^9\times 7^2\times {\mathrm{10259}}^1$

素因数の和:10291

約数の個数: 60

約数和(自身を含む): 598270860

約数和(自身を除く): 340893068

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1568, 1792, 3136, 3584, 6272, 10259, 12544, 20518, 25088, 41036, 71813, 82072, 143626, 164144, 287252, 328288, 502691, 574504, 656576, 1005382, 1149008, 1313152, 2010764, 2298016, 2626304, 4021528, 4596032, 5252608, 8043056, 9192064, 16086112, 18384128, 32172224, 36768256, 64344448, 128688896, 257377792]

約数ペア:

[(1, 257377792), (2, 128688896), (4, 64344448), (7, 36768256), (8, 32172224), (14, 18384128), (16, 16086112), (28, 9192064), (32, 8043056), (49, 5252608), (56, 4596032), (64, 4021528), (98, 2626304), (112, 2298016), (128, 2010764), (196, 1313152), (224, 1149008), (256, 1005382), (392, 656576), (448, 574504), (512, 502691), (784, 328288), (896, 287252), (1568, 164144), (1792, 143626), (3136, 82072), (3584, 71813), (6272, 41036), (10259, 25088), (12544, 20518)]