128173816

素因数分解:

$2^3\times {\mathrm{1993}}^1\times {\mathrm{8039}}^1$

素因数の和:10038

約数の個数: 16

約数和(自身を含む): 240476400

約数和(自身を除く): 112302584

約数列:

[1, 2, 4, 8, 1993, 3986, 7972, 8039, 15944, 16078, 32156, 64312, 16021727, 32043454, 64086908, 128173816]

約数ペア:

[(1, 128173816), (2, 64086908), (4, 32043454), (8, 16021727), (1993, 64312), (3986, 32156), (7972, 16078), (8039, 15944)]