13265917

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 16416000

約数和(自身を除く): 3150083

約数列:

[1, 7, 23, 49, 79, 149, 161, 553, 1043, 1127, 1817, 3427, 3871, 7301, 11771, 12719, 23989, 82397, 89033, 167923, 270733, 576779, 1895131, 13265917]

約数ペア:

[(1, 13265917), (7, 1895131), (23, 576779), (49, 270733), (79, 167923), (149, 89033), (161, 82397), (553, 23989), (1043, 12719), (1127, 11771), (1817, 7301), (3427, 3871)]