221780608

素因数分解:

$2^7\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1949}}^1$

素因数の和:2097

約数の個数: 64

約数和(自身を含む): 509184000

約数和(自身を除く): 287403392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 254, 448, 508, 889, 896, 1016, 1778, 1949, 2032, 3556, 3898, 4064, 7112, 7796, 8128, 13643, 14224, 15592, 16256, 27286, 28448, 31184, 54572, 56896, 62368, 109144, 113792, 124736, 218288, 247523, 249472, 436576, 495046, 873152, 990092, 1732661, 1746304, 1980184, 3465322, 3960368, 6930644, 7920736, 13861288, 15841472, 27722576, 31682944, 55445152, 110890304, 221780608]

約数ペア:

[(1, 221780608), (2, 110890304), (4, 55445152), (7, 31682944), (8, 27722576), (14, 15841472), (16, 13861288), (28, 7920736), (32, 6930644), (56, 3960368), (64, 3465322), (112, 1980184), (127, 1746304), (128, 1732661), (224, 990092), (254, 873152), (448, 495046), (508, 436576), (889, 249472), (896, 247523), (1016, 218288), (1778, 124736), (1949, 113792), (2032, 109144), (3556, 62368), (3898, 56896), (4064, 54572), (7112, 31184), (7796, 28448), (8128, 27286), (13643, 16256), (14224, 15592)]