25120109

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2819}}^1$

素因数の和:2912

約数の個数: 16

約数和(自身を含む): 30681600

約数和(自身を除く): 5561491

約数列:

[1, 7, 19, 67, 133, 469, 1273, 2819, 8911, 19733, 53561, 188873, 374927, 1322111, 3588587, 25120109]

約数ペア:

[(1, 25120109), (7, 3588587), (19, 1322111), (67, 374927), (133, 188873), (469, 53561), (1273, 19733), (2819, 8911)]