221120208

素因数分解:

$2^4\times 3^2\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:361

約数の個数: 120

約数和(自身を含む): 635102208

約数和(自身を除く): 413982000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 107, 113, 127, 144, 214, 226, 254, 321, 339, 381, 428, 452, 508, 642, 678, 762, 856, 904, 963, 1016, 1017, 1143, 1284, 1356, 1524, 1712, 1808, 1926, 2032, 2034, 2286, 2568, 2712, 3048, 3852, 4068, 4572, 5136, 5424, 6096, 7704, 8136, 9144, 12091, 13589, 14351, 15408, 16272, 18288, 24182, 27178, 28702, 36273, 40767, 43053, 48364, 54356, 57404, 72546, 81534, 86106, 96728, 108712, 108819, 114808, 122301, 129159, 145092, 163068, 172212, 193456, 217424, 217638, 229616, 244602, 258318, 290184, 326136, 344424, 435276, 489204, 516636, 580368, 652272, 688848, 870552, 978408, 1033272, 1535557, 1741104, 1956816, 2066544, 3071114, 4606671, 6142228, 9213342, 12284456, 13820013, 18426684, 24568912, 27640026, 36853368, 55280052, 73706736, 110560104, 221120208]

約数ペア:

[(1, 221120208), (2, 110560104), (3, 73706736), (4, 55280052), (6, 36853368), (8, 27640026), (9, 24568912), (12, 18426684), (16, 13820013), (18, 12284456), (24, 9213342), (36, 6142228), (48, 4606671), (72, 3071114), (107, 2066544), (113, 1956816), (127, 1741104), (144, 1535557), (214, 1033272), (226, 978408), (254, 870552), (321, 688848), (339, 652272), (381, 580368), (428, 516636), (452, 489204), (508, 435276), (642, 344424), (678, 326136), (762, 290184), (856, 258318), (904, 244602), (963, 229616), (1016, 217638), (1017, 217424), (1143, 193456), (1284, 172212), (1356, 163068), (1524, 145092), (1712, 129159), (1808, 122301), (1926, 114808), (2032, 108819), (2034, 108712), (2286, 96728), (2568, 86106), (2712, 81534), (3048, 72546), (3852, 57404), (4068, 54356), (4572, 48364), (5136, 43053), (5424, 40767), (6096, 36273), (7704, 28702), (8136, 27178), (9144, 24182), (12091, 18288), (13589, 16272), (14351, 15408)]