208618795

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2837}}^1$

素因数の和:3051

約数の個数: 32

約数和(自身を含む): 313860096

約数和(自身を除く): 105241301

約数列:

[1, 5, 7, 11, 35, 55, 77, 191, 385, 955, 1337, 2101, 2837, 6685, 10505, 14185, 14707, 19859, 31207, 73535, 99295, 156035, 218449, 541867, 1092245, 2709335, 3793069, 5960537, 18965345, 29802685, 41723759, 208618795]

約数ペア:

[(1, 208618795), (5, 41723759), (7, 29802685), (11, 18965345), (35, 5960537), (55, 3793069), (77, 2709335), (191, 1092245), (385, 541867), (955, 218449), (1337, 156035), (2101, 99295), (2837, 73535), (6685, 31207), (10505, 19859), (14185, 14707)]