28480256

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 67893504

約数和(自身を除く): 39413248

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 644, 691, 736, 896, 1288, 1382, 1472, 1792, 2576, 2764, 2944, 4837, 5152, 5528, 5888, 9674, 10304, 11056, 15893, 19348, 20608, 22112, 31786, 38696, 41216, 44224, 63572, 77392, 88448, 111251, 127144, 154784, 176896, 222502, 254288, 309568, 445004, 508576, 619136, 890008, 1017152, 1238272, 1780016, 2034304, 3560032, 4068608, 7120064, 14240128, 28480256]

約数ペア:

[(1, 28480256), (2, 14240128), (4, 7120064), (7, 4068608), (8, 3560032), (14, 2034304), (16, 1780016), (23, 1238272), (28, 1017152), (32, 890008), (46, 619136), (56, 508576), (64, 445004), (92, 309568), (112, 254288), (128, 222502), (161, 176896), (184, 154784), (224, 127144), (256, 111251), (322, 88448), (368, 77392), (448, 63572), (644, 44224), (691, 41216), (736, 38696), (896, 31786), (1288, 22112), (1382, 20608), (1472, 19348), (1792, 15893), (2576, 11056), (2764, 10304), (2944, 9674), (4837, 5888), (5152, 5528)]