207971687

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 265420800

約数和(自身を除く): 57449113

約数列:

[1, 7, 11, 77, 79, 179, 191, 553, 869, 1253, 1337, 1969, 2101, 6083, 13783, 14141, 14707, 15089, 34189, 98987, 105623, 155551, 165979, 239323, 376079, 1088857, 1161853, 2632553, 2700931, 18906517, 29710241, 207971687]

約数ペア:

[(1, 207971687), (7, 29710241), (11, 18906517), (77, 2700931), (79, 2632553), (179, 1161853), (191, 1088857), (553, 376079), (869, 239323), (1253, 165979), (1337, 155551), (1969, 105623), (2101, 98987), (6083, 34189), (13783, 15089), (14141, 14707)]