19960297

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 24624000

約数和(自身を除く): 4663703

約数列:

[1, 7, 23, 49, 89, 161, 199, 623, 1127, 1393, 2047, 4361, 4577, 9751, 14329, 17711, 32039, 100303, 123977, 224273, 407353, 867839, 2851471, 19960297]

約数ペア:

[(1, 19960297), (7, 2851471), (23, 867839), (49, 407353), (89, 224273), (161, 123977), (199, 100303), (623, 32039), (1127, 17711), (1393, 14329), (2047, 9751), (4361, 4577)]