201404656

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{31391}}^1$

素因数の和:31800

約数の個数: 20

約数和(自身を含む): 391207104

約数和(自身を除く): 189802448

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 31391, 62782, 125564, 251128, 502256, 12587791, 25175582, 50351164, 100702328, 201404656]

約数ペア:

[(1, 201404656), (2, 100702328), (4, 50351164), (8, 25175582), (16, 12587791), (401, 502256), (802, 251128), (1604, 125564), (3208, 62782), (6416, 31391)]