207178517

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 263424000

約数和(自身を除く): 56245483

約数列:

[1, 7, 13, 49, 91, 97, 343, 479, 637, 679, 1261, 3353, 4459, 4753, 6227, 8827, 23471, 33271, 43589, 46463, 61789, 164297, 305123, 325241, 432523, 604019, 2135861, 2276687, 4228133, 15936809, 29596931, 207178517]

約数ペア:

[(1, 207178517), (7, 29596931), (13, 15936809), (49, 4228133), (91, 2276687), (97, 2135861), (343, 604019), (479, 432523), (637, 325241), (679, 305123), (1261, 164297), (3353, 61789), (4459, 46463), (4753, 43589), (6227, 33271), (8827, 23471)]