161390358544

素因数分解:

$2^4\times {\mathrm{327401}}^1\times {\mathrm{30809}}^1$

素因数の和:358218

約数の個数: 20

約数和(自身を含む): 312704924220

約数和(自身を除く): 151314565676

約数列:

[1, 2, 4, 8, 16, 30809, 61618, 123236, 246472, 327401, 492944, 654802, 1309604, 2619208, 5238416, 10086897409, 20173794818, 40347589636, 80695179272, 161390358544]

約数ペア:

[(1, 161390358544), (2, 80695179272), (4, 40347589636), (8, 20173794818), (16, 10086897409), (30809, 5238416), (61618, 2619208), (123236, 1309604), (246472, 654802), (327401, 492944)]