20161971347

素因数分解:

$7^2\times {\mathrm{229}}^1\times {\mathrm{587}}^1\times {\mathrm{3061}}^1$

素因数の和:3891

約数の個数: 24

約数和(自身を含む): 23603978160

約数和(自身を除く): 3442006813

約数列:

[1, 7, 49, 229, 587, 1603, 3061, 4109, 11221, 21427, 28763, 134423, 149989, 700969, 940961, 1796807, 4906783, 6586727, 12577649, 34347481, 88043543, 411468803, 2880281621, 20161971347]

約数ペア:

[(1, 20161971347), (7, 2880281621), (49, 411468803), (229, 88043543), (587, 34347481), (1603, 12577649), (3061, 6586727), (4109, 4906783), (11221, 1796807), (21427, 940961), (28763, 700969), (134423, 149989)]