20161661507

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1\times {\mathrm{1249}}^1$

素因数の和:1803

約数の個数: 32

約数和(自身を含む): 22619520000

約数和(自身を除く): 2457858493

約数列:

[1, 13, 43, 67, 431, 559, 871, 1249, 2881, 5603, 16237, 18533, 28877, 37453, 53707, 83683, 240929, 375401, 538319, 698191, 1087879, 1241711, 3598369, 6998147, 16142243, 23147717, 36067373, 46778797, 300920321, 468875849, 1550897039, 20161661507]

約数ペア:

[(1, 20161661507), (13, 1550897039), (43, 468875849), (67, 300920321), (431, 46778797), (559, 36067373), (871, 23147717), (1249, 16142243), (2881, 6998147), (5603, 3598369), (16237, 1241711), (18533, 1087879), (28877, 698191), (37453, 538319), (53707, 375401), (83683, 240929)]