77721328

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{47161}}^1$

素因数の和:47272

約数の個数: 20

約数和(自身を含む): 152050288

約数和(自身を除く): 74328960

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 47161, 94322, 188644, 377288, 754576, 4857583, 9715166, 19430332, 38860664, 77721328]

約数ペア:

[(1, 77721328), (2, 38860664), (4, 19430332), (8, 9715166), (16, 4857583), (103, 754576), (206, 377288), (412, 188644), (824, 94322), (1648, 47161)]