163978759

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{20897}}^1$

素因数の和:20982

約数の個数: 16

約数和(自身を含む): 200620800

約数和(自身を除く): 36642041

約数列:

[1, 7, 19, 59, 133, 413, 1121, 7847, 20897, 146279, 397043, 1232923, 2779301, 8630461, 23425537, 163978759]

約数ペア:

[(1, 163978759), (7, 23425537), (19, 8630461), (59, 2779301), (133, 1232923), (413, 397043), (1121, 146279), (7847, 20897)]