208121452

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1387

約数の個数: 72

約数和(自身を含む): 467615232

約数和(自身を除く): 259493780

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 121, 154, 188, 242, 308, 329, 484, 517, 658, 847, 1034, 1307, 1316, 1694, 2068, 2614, 3388, 3619, 5228, 5687, 7238, 9149, 11374, 14377, 14476, 18298, 22748, 28754, 36596, 39809, 57508, 61429, 79618, 100639, 122858, 158147, 159236, 201278, 245716, 316294, 402556, 430003, 632588, 675719, 860006, 1107029, 1351438, 1720012, 2214058, 2702876, 4428116, 4730033, 7432909, 9460066, 14865818, 18920132, 29731636, 52030363, 104060726, 208121452]

約数ペア:

[(1, 208121452), (2, 104060726), (4, 52030363), (7, 29731636), (11, 18920132), (14, 14865818), (22, 9460066), (28, 7432909), (44, 4730033), (47, 4428116), (77, 2702876), (94, 2214058), (121, 1720012), (154, 1351438), (188, 1107029), (242, 860006), (308, 675719), (329, 632588), (484, 430003), (517, 402556), (658, 316294), (847, 245716), (1034, 201278), (1307, 159236), (1316, 158147), (1694, 122858), (2068, 100639), (2614, 79618), (3388, 61429), (3619, 57508), (5228, 39809), (5687, 36596), (7238, 28754), (9149, 22748), (11374, 18298), (14377, 14476)]