81482792

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{811}}^1$

素因数の和:1497

約数の個数: 32

約数和(自身を含む): 161263200

約数和(自身を除く): 79780408

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 661, 811, 1322, 1622, 2644, 3244, 5288, 6488, 12559, 15409, 25118, 30818, 50236, 61636, 100472, 123272, 536071, 1072142, 2144284, 4288568, 10185349, 20370698, 40741396, 81482792]

約数ペア:

[(1, 81482792), (2, 40741396), (4, 20370698), (8, 10185349), (19, 4288568), (38, 2144284), (76, 1072142), (152, 536071), (661, 123272), (811, 100472), (1322, 61636), (1622, 50236), (2644, 30818), (3244, 25118), (5288, 15409), (6488, 12559)]