131834689

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 163215360

約数和(自身を除く): 31380671

約数列:

[1, 7, 23, 43, 137, 139, 161, 301, 959, 973, 989, 3151, 3197, 5891, 5977, 6923, 19043, 22057, 22379, 41237, 41839, 133301, 135493, 137471, 437989, 818849, 948451, 962297, 3065923, 5731943, 18833527, 131834689]

約数ペア:

[(1, 131834689), (7, 18833527), (23, 5731943), (43, 3065923), (137, 962297), (139, 948451), (161, 818849), (301, 437989), (959, 137471), (973, 135493), (989, 133301), (3151, 41839), (3197, 41237), (5891, 22379), (5977, 22057), (6923, 19043)]