208357448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{64627}}^1$

素因数の和:64677

約数の個数: 32

約数和(自身を含む): 434300160

約数和(自身を除く): 225942712

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 64627, 129254, 258508, 517016, 840151, 1680302, 2003437, 3360604, 4006874, 6721208, 8013748, 16027496, 26044681, 52089362, 104178724, 208357448]

約数ペア:

[(1, 208357448), (2, 104178724), (4, 52089362), (8, 26044681), (13, 16027496), (26, 8013748), (31, 6721208), (52, 4006874), (62, 3360604), (104, 2003437), (124, 1680302), (248, 840151), (403, 517016), (806, 258508), (1612, 129254), (3224, 64627)]