25884131

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 7984669

約数列:

[1, 7, 13, 23, 83, 91, 149, 161, 299, 581, 1043, 1079, 1909, 1937, 2093, 3427, 7553, 12367, 13363, 13559, 23989, 24817, 44551, 86569, 160771, 173719, 284441, 311857, 1125397, 1991087, 3697733, 25884131]

約数ペア:

[(1, 25884131), (7, 3697733), (13, 1991087), (23, 1125397), (83, 311857), (91, 284441), (149, 173719), (161, 160771), (299, 86569), (581, 44551), (1043, 24817), (1079, 23989), (1909, 13559), (1937, 13363), (2093, 12367), (3427, 7553)]