221519296

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{673}}^1$

素因数の和:861

約数の個数: 56

約数和(自身を含む): 455381360

約数和(自身を除く): 233862064

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 139, 148, 278, 296, 556, 592, 673, 1112, 1184, 1346, 2224, 2368, 2692, 4448, 5143, 5384, 8896, 10286, 10768, 20572, 21536, 24901, 41144, 43072, 49802, 82288, 93547, 99604, 164576, 187094, 199208, 329152, 374188, 398416, 748376, 796832, 1496752, 1593664, 2993504, 3461239, 5987008, 6922478, 13844956, 27689912, 55379824, 110759648, 221519296]

約数ペア:

[(1, 221519296), (2, 110759648), (4, 55379824), (8, 27689912), (16, 13844956), (32, 6922478), (37, 5987008), (64, 3461239), (74, 2993504), (139, 1593664), (148, 1496752), (278, 796832), (296, 748376), (556, 398416), (592, 374188), (673, 329152), (1112, 199208), (1184, 187094), (1346, 164576), (2224, 99604), (2368, 93547), (2692, 82288), (4448, 49802), (5143, 43072), (5384, 41144), (8896, 24901), (10286, 21536), (10768, 20572)]