238875392

素因数分解:

$2^8\times 7^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 108

約数和(自身を含む): 562733640

約数和(自身を除く): 323858248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 137, 139, 196, 224, 256, 274, 278, 392, 448, 548, 556, 784, 896, 959, 973, 1096, 1112, 1568, 1792, 1918, 1946, 2192, 2224, 3136, 3836, 3892, 4384, 4448, 6272, 6713, 6811, 7672, 7784, 8768, 8896, 12544, 13426, 13622, 15344, 15568, 17536, 17792, 19043, 26852, 27244, 30688, 31136, 35072, 35584, 38086, 53704, 54488, 61376, 62272, 76172, 107408, 108976, 122752, 124544, 133301, 152344, 214816, 217952, 245504, 249088, 266602, 304688, 429632, 435904, 533204, 609376, 859264, 871808, 933107, 1066408, 1218752, 1718528, 1743616, 1866214, 2132816, 2437504, 3732428, 4265632, 4875008, 7464856, 8531264, 14929712, 17062528, 29859424, 34125056, 59718848, 119437696, 238875392]

約数ペア:

[(1, 238875392), (2, 119437696), (4, 59718848), (7, 34125056), (8, 29859424), (14, 17062528), (16, 14929712), (28, 8531264), (32, 7464856), (49, 4875008), (56, 4265632), (64, 3732428), (98, 2437504), (112, 2132816), (128, 1866214), (137, 1743616), (139, 1718528), (196, 1218752), (224, 1066408), (256, 933107), (274, 871808), (278, 859264), (392, 609376), (448, 533204), (548, 435904), (556, 429632), (784, 304688), (896, 266602), (959, 249088), (973, 245504), (1096, 217952), (1112, 214816), (1568, 152344), (1792, 133301), (1918, 124544), (1946, 122752), (2192, 108976), (2224, 107408), (3136, 76172), (3836, 62272), (3892, 61376), (4384, 54488), (4448, 53704), (6272, 38086), (6713, 35584), (6811, 35072), (7672, 31136), (7784, 30688), (8768, 27244), (8896, 26852), (12544, 19043), (13426, 17792), (13622, 17536), (15344, 15568)]