268956961

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1423}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 347045888

約数和(自身を除く): 78088927

約数列:

[1, 7, 13, 31, 67, 91, 217, 403, 469, 871, 1423, 2077, 2821, 6097, 9961, 14539, 18499, 27001, 44113, 95341, 129493, 189007, 308791, 573469, 667387, 1239433, 2955571, 4014283, 8676031, 20688997, 38422423, 268956961]

約数ペア:

[(1, 268956961), (7, 38422423), (13, 20688997), (31, 8676031), (67, 4014283), (91, 2955571), (217, 1239433), (403, 667387), (469, 573469), (871, 308791), (1423, 189007), (2077, 129493), (2821, 95341), (6097, 44113), (9961, 27001), (14539, 18499)]