681738211

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1889}}^1$

素因数の和:2059

約数の個数: 32

約数和(自身を含む): 878169600

約数和(自身を除く): 196431389

約数列:

[1, 7, 11, 43, 77, 109, 301, 473, 763, 1199, 1889, 3311, 4687, 8393, 13223, 20779, 32809, 51557, 81227, 145453, 205901, 360899, 568589, 893497, 1441307, 2264911, 6254479, 8853743, 15854377, 61976201, 97391173, 681738211]

約数ペア:

[(1, 681738211), (7, 97391173), (11, 61976201), (43, 15854377), (77, 8853743), (109, 6254479), (301, 2264911), (473, 1441307), (763, 893497), (1199, 568589), (1889, 360899), (3311, 205901), (4687, 145453), (8393, 81227), (13223, 51557), (20779, 32809)]