201952639

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 254555136

約数和(自身を除く): 52602497

約数列:

[1, 7, 17, 43, 61, 119, 301, 427, 647, 731, 1037, 2623, 4529, 5117, 7259, 10999, 18361, 27821, 39467, 44591, 76993, 194747, 276269, 312137, 472957, 670939, 1697081, 3310699, 4696573, 11879567, 28850377, 201952639]

約数ペア:

[(1, 201952639), (7, 28850377), (17, 11879567), (43, 4696573), (61, 3310699), (119, 1697081), (301, 670939), (427, 472957), (647, 312137), (731, 276269), (1037, 194747), (2623, 76993), (4529, 44591), (5117, 39467), (7259, 27821), (10999, 18361)]