165440219

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 204979200

約数和(自身を除く): 39538981

約数列:

[1, 7, 23, 49, 67, 161, 313, 343, 469, 1127, 1541, 2191, 3283, 7199, 7889, 10787, 15337, 20971, 22981, 50393, 75509, 107359, 146797, 352751, 482333, 528563, 1027579, 2469257, 3376331, 7193053, 23634317, 165440219]

約数ペア:

[(1, 165440219), (7, 23634317), (23, 7193053), (49, 3376331), (67, 2469257), (161, 1027579), (313, 528563), (343, 482333), (469, 352751), (1127, 146797), (1541, 107359), (2191, 75509), (3283, 50393), (7199, 22981), (7889, 20971), (10787, 15337)]