208209212

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 391020000

約数和(自身を除く): 182810788

約数列:

[1, 2, 4, 29, 37, 58, 74, 116, 139, 148, 278, 349, 556, 698, 1073, 1396, 2146, 4031, 4292, 5143, 8062, 10121, 10286, 12913, 16124, 20242, 20572, 25826, 40484, 48511, 51652, 97022, 149147, 194044, 298294, 374477, 596588, 748954, 1406819, 1497908, 1794907, 2813638, 3589814, 5627276, 7179628, 52052303, 104104606, 208209212]

約数ペア:

[(1, 208209212), (2, 104104606), (4, 52052303), (29, 7179628), (37, 5627276), (58, 3589814), (74, 2813638), (116, 1794907), (139, 1497908), (148, 1406819), (278, 748954), (349, 596588), (556, 374477), (698, 298294), (1073, 194044), (1396, 149147), (2146, 97022), (4031, 51652), (4292, 48511), (5143, 40484), (8062, 25826), (10121, 20572), (10286, 20242), (12913, 16124)]