205818514

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1489}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 345870720

約数和(自身を除く): 140052206

約数列:

[1, 2, 11, 22, 61, 103, 122, 206, 671, 1133, 1342, 1489, 2266, 2978, 6283, 12566, 16379, 32758, 69113, 90829, 138226, 153367, 181658, 306734, 999119, 1687037, 1998238, 3374074, 9355387, 18710774, 102909257, 205818514]

約数ペア:

[(1, 205818514), (2, 102909257), (11, 18710774), (22, 9355387), (61, 3374074), (103, 1998238), (122, 1687037), (206, 999119), (671, 306734), (1133, 181658), (1342, 153367), (1489, 138226), (2266, 90829), (2978, 69113), (6283, 32758), (12566, 16379)]