640986527

素因数分解:

${\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1\times {\mathrm{881}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 682668000

約数和(自身を除く): 41681473

約数列:

[1, 19, 149, 257, 881, 2831, 4883, 16739, 38293, 131269, 226417, 727567, 2494111, 4301923, 33736133, 640986527]

約数ペア:

[(1, 640986527), (19, 33736133), (149, 4301923), (257, 2494111), (881, 727567), (2831, 226417), (4883, 131269), (16739, 38293)]