1290872722

素因数分解:

$2^1\times {\mathrm{313}}^1\times {\mathrm{641}}^1\times {\mathrm{3217}}^1$

素因数の和:4173

約数の個数: 16

約数和(自身を含む): 1946130552

約数和(自身を除く): 655257830

約数列:

[1, 2, 313, 626, 641, 1282, 3217, 6434, 200633, 401266, 1006921, 2013842, 2062097, 4124194, 645436361, 1290872722]

約数ペア:

[(1, 1290872722), (2, 645436361), (313, 4124194), (626, 2062097), (641, 2013842), (1282, 1006921), (3217, 401266), (6434, 200633)]