137966213

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 189112320

約数和(自身を除く): 51146107

約数列:

[1, 7, 11, 23, 31, 49, 77, 161, 217, 253, 341, 359, 539, 713, 1127, 1519, 1771, 2387, 2513, 3949, 4991, 7843, 8257, 11129, 12397, 16709, 17591, 27643, 34937, 54901, 57799, 77903, 90827, 122419, 193501, 255967, 384307, 404593, 545321, 635789, 856933, 1791769, 2815637, 4450523, 5998531, 12542383, 19709459, 137966213]

約数ペア:

[(1, 137966213), (7, 19709459), (11, 12542383), (23, 5998531), (31, 4450523), (49, 2815637), (77, 1791769), (161, 856933), (217, 635789), (253, 545321), (341, 404593), (359, 384307), (539, 255967), (713, 193501), (1127, 122419), (1519, 90827), (1771, 77903), (2387, 57799), (2513, 54901), (3949, 34937), (4991, 27643), (7843, 17591), (8257, 16709), (11129, 12397)]