389855186

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1181}}^1$

素因数の和:1299

約数の個数: 64

約数和(自身を含む): 755723520

約数和(自身を除く): 365868334

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 73, 119, 133, 146, 238, 266, 323, 511, 646, 1022, 1181, 1241, 1387, 2261, 2362, 2482, 2774, 4522, 8267, 8687, 9709, 16534, 17374, 19418, 20077, 22439, 23579, 40154, 44878, 47158, 86213, 140539, 157073, 165053, 172426, 281078, 314146, 330106, 381463, 603491, 762926, 1206982, 1465621, 1638047, 2670241, 2931242, 3276094, 5340482, 10259347, 11466329, 20518694, 22932658, 27846799, 55693598, 194927593, 389855186]

約数ペア:

[(1, 389855186), (2, 194927593), (7, 55693598), (14, 27846799), (17, 22932658), (19, 20518694), (34, 11466329), (38, 10259347), (73, 5340482), (119, 3276094), (133, 2931242), (146, 2670241), (238, 1638047), (266, 1465621), (323, 1206982), (511, 762926), (646, 603491), (1022, 381463), (1181, 330106), (1241, 314146), (1387, 281078), (2261, 172426), (2362, 165053), (2482, 157073), (2774, 140539), (4522, 86213), (8267, 47158), (8687, 44878), (9709, 40154), (16534, 23579), (17374, 22439), (19418, 20077)]