205993578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1987

約数の個数: 64

約数和(自身を含む): 490641408

約数和(自身を除く): 284647830

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 71, 74, 111, 142, 213, 222, 259, 426, 497, 518, 777, 994, 1491, 1554, 1867, 2627, 2982, 3734, 5254, 5601, 7881, 11202, 13069, 15762, 18389, 26138, 36778, 39207, 55167, 69079, 78414, 110334, 132557, 138158, 207237, 265114, 397671, 414474, 483553, 795342, 927899, 967106, 1450659, 1855798, 2783697, 2901318, 4904609, 5567394, 9809218, 14713827, 29427654, 34332263, 68664526, 102996789, 205993578]

約数ペア:

[(1, 205993578), (2, 102996789), (3, 68664526), (6, 34332263), (7, 29427654), (14, 14713827), (21, 9809218), (37, 5567394), (42, 4904609), (71, 2901318), (74, 2783697), (111, 1855798), (142, 1450659), (213, 967106), (222, 927899), (259, 795342), (426, 483553), (497, 414474), (518, 397671), (777, 265114), (994, 207237), (1491, 138158), (1554, 132557), (1867, 110334), (2627, 78414), (2982, 69079), (3734, 55167), (5254, 39207), (5601, 36778), (7881, 26138), (11202, 18389), (13069, 15762)]